Java program to find area of square using bufferedreader. The program must consist four different classes.
Java program to find area of square using bufferedreader. Users can choose the shape and provide the required input fields to calculate its area. It reduces the number of I/O operations by reading large piece of data at once, making it faster than directly using FileReader or InputStreamReader. Jul 23, 2025 · In this article, we will learn how to find the area of the rectangle using the method overloading. What is a Buffer? A buffer is a small portion of the device memory storage used to Aug 29, 2025 · Java program to find the volume of a cylinder with examples. Jul 23, 2025 · Arrays in Java are an important data structure, and we can add elements to them by taking input from the user. May 9, 2019 · The easiest way I find with java => stackoverflow is to format it all properly in your favourite editor first then copy paste the code into a new file, select all lines and hit tab/indent to get it recognised as code when you post here. Apr 11, 2023 · We can calculate the area of the square in Java using Method Overloading. It is defined in java. Learn how to effectively use BufferedReader in Java for reading text from input streams with this detailed guide, including code examples and common pitfalls. Discover the best method for building interactive Java applications. In Java, file input/output (I/O) operations can often benefit from optimized performance, particularly when working with large files or repetitive read/write operations. parseInt(br. We will use the following formula to calculate the area of the circle: area = π ⋅ radius ⋅ radius area = π ⋅ radius 2 Apr 22, 2014 · In this example we are going to talk about BufferedReader Java class. The main task here is to create a class that can be used to find the Area and Perimeter of a rectangle. where r is a radius of a circle. You can use FileReader for basic character reading, BufferedReader for faster, buffered reading or Scanner for easy parsing of tokens. Using Scanner Class to Take Array Input Approach: First, we create an object of the Learn about Java BufferedReader: a powerful class for efficient reading of text from character input streams. readLine () to get the first line. x is in this case the length of the rectangle while y is the width of the rectangle. io package that is imported into the program before using it. Include a predicate method isSquare which determines if the rectangle is a square. May 28, 2020 · The read () method of BufferedReader class in Java is of two types: 1. Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more. Initialize the side of the square as 5 using constructor. I need to write a program to calculate the area of a circle and I seem to have everything right except when I run the program and input the values the area calculation comes up as zero. If the Feb 14, 2025 · Learn how to capture user input in Java using Scanner, BufferedReader, Console, and DataInputStream. Sep 7, 2017 · How to write a java program in java using BufferedReader? Data required: 5 Roll Numbers, 5 Names, 6 Subjects Marks each of 100 marks. Online Java OOPs programs and examples with solutions, explanation and output for computer science and information technology students pursuing BE, BTech, MCA, MTech, MCS, MSc, BCA, BSc. Terminology: Method Overloading: Method overloading allows different methods to have the same name, but different signatures where the signature can differ by the . readLine () method By using java. 3. in. Use: 1. In this program, we first declare a double variable side and initialize it with the value 5, which represents the length of one side of the square. !L Sep 10, 2019 · The BufferedReader class of Java is used to read the stream of characters from the specified source (character-input stream). txt")); and then use its readLine() method to read text from a character-input stream. 14159265358979323846 * radius * radius Area of a triangle = (1/2) * base * height Area of a square = side * side Area of a rectangle = length * breadth Approach: To solve the problem, follow the below idea: The approach is to use Switch-case to make different cases for different choices. BufferedReader class reads text from a character-input stream. Perform the following tasks: Display the original matrix. where a is the side length. Tutorials, Source Codes, SCJP, SCWCD and Ebooks. Find step by step code solutions to sample programming questions with syntax and structure for lab practicals and Sep 22, 2015 · Use readLine () method instead of read () method . Without buffering, each invocation of read () or readLine () could cause bytes to be read from the file, converted into characters, and then returned, which can be very inefficient. The java. Finally, we print the area of the square using a formatted string. readLine()); read () method doesnt return the exact int value of input. The following program snippet shows how to read and write to the console. Parameters: in - A Reader sz - Input-buffer size Throws: IllegalArgumentException - If sz <= 0 Parameters: in - A Reader sz - Input-buffer size Throws: IllegalArgumentException - If sz <= 0 BufferedReader public BufferedReader(Reader in) Creates a Aug 30, 2024 · When processing large text-based data files in Java, using a BufferedReader can significantly improve read performance compared to basic file access classes. The program should take as input two integers and the operation to be performed. BufferedReader; Jul 2, 2020 · Write a program to declare a square matrix a [] [] of order M × M, where M is a positive integer and represents rows and columns for the matrix. public int read () throws IOException Reads a single character. In this comprehensive guide, we‘ll explore when and how to use Java‘s BufferedReader for optimized efficiency. How to compute a square area using the Java program? First, we have to declare the class ArSq. The problem with May 23, 2021 · I n this tutorial, we are going to see how to calculate the area of a rectangle in Java. It buffers the characters in order to enable efficient reading of text data. BufferedReader supports buffered input stream. We can simply calculate the area of the rectangle using the following formula: Formula: Area of the rectangle: A = S * T Aug 5, 2025 · In this article, we will see how to find the area of a square in JavaScript if the side of the square is given. Sep 10, 2022 · This tutorial demonstrates how to calculate the area of a rectangle using Java, with user-provided length and width values. Note that the next call to readLine () will get you the 2nd Jul 11, 2014 · This is an efficent and correct solution: String line; int count = 0; while ((line = br. Guide and examples for reading input from the console using BufferedReader class. Return value: This method returns the String that is read by this method and excludes any termination symbol available. import java. Learn Java Bufferedreader with code and syntax example in this tutorial. BufferedReader (Reader inputReader) Without buffering, each invocation of read () or readLine () could cause bytes to be read from the file, converted into characters, and then returned, which can be very inefficient. Which will be used to calculate the area and perimeter of square by using the formula. By understanding how to create, read, and close a BufferedReader, you can effectively handle file I/O operations involving large amounts of text data in your Java applications. Sorting Technique in array- to sort roll number given by user. public String readLine () throws IOException It reads a line of text. The read () method of BufferedReader class in Java is used to read a single character from the given buffered reader. Java Program to Calculate Area of Rectangle: Feb 6, 2025 · BufferedReader class was added in Java 1. in (standard input stream) in an InputStreamReader which is wrapped in a BufferedReader, we can read input from the user in the In the Following example AreaofCircleExample shows how to Calculate Area of Circle using pi*r*r. Jul 23, 2025 · BufferedReader and FileReader both classes are used to read data from a given character stream. Dec 21, 2023 · In this article, I will show writing to a file and reading from a file using BufferedReader and BufferedWriter. In classical times, the second power was described in terms of the area of a square, as in the above formula. M should be greater than 2 and less than 10. Jun 22, 2025 · Table of Contents Fundamental Concepts of Java BufferedReader Usage Methods Common Practices Best Practices Conclusion References Fundamental Concepts of Java BufferedReader Buffering Buffering is the process of storing data in a buffer (a temporary storage area) before it is processed. Why Use BufferedReader and BufferedWriter? There are two main advantages to using BufferedReader and BufferedWriter: Improved Performance: By buffering characters, these classes reduce the number of system calls, leading to significant performance gains, especially when dealing with large files. We have shown java IO operation - BufferReader & BufferWriter class hierarchy (example). See full list on makeinjava. Java BufferedReader Example to Read a File On this example we would be dealing a more complicated example of using BufferedReader. We can say, Cube is nothing but six equal squares. Yes, we ae going to write a Write a Java program to find the average of three numbers using the + and / arithmetic operator. Using BufferedReader will read input data as String. The Java BufferedReader class reads text from a character-input stream, buffering characters so as to provide for the efficient reading of characters, arrays, and lines. This read () method reads one character at a time from the buffered stream and return it as an integer value. Apr 7, 2020 · We are going to learn about the BufferedReader class in Java, its uses and a simple program to showcase how to read data using BufferedReader and readline. Create a java program using BufferedReader that can compute the total quizes assumming that the inputed number specifies the user Input. The program is successfully compiled and tested using IDE IntelliJ Idea in Windows 7. *; public class Wrap { public static void main (String [] args) throws IOException { // TODO Auto-generated Sep 12, 2019 · The BufferedReader class of Java is used to read the stream of characters from the specified source (character-input stream). May 16, 2021 · J ava provides several mechanisms for reading the contents of a file. In this article, we will learn how to find the area of the circle using the method overloading. youtube. Here is the source code of the Java Program to Find the Surface Area and Volume of a Cone. Aug 29, 2025 · In Java, text files can be read in several ways depending on your needs. readAllLines () method Java Program to read the first line of a file by using BufferedReader. Simplified File I/O: They provide convenient methods for reading and writing text, making file Area of Circle This program to find the area of the circle and its get the radius from the user via the console by BufferedReader () class and do the calculations Sep 11, 2022 · In this tutorial we will see two ways to read a file using BufferedReader. The BufferedReader class in Java is used for improving the performance of input operations by buffering the input data. Ask the user to initialize the variable. Java program to print or calculate addition of two numbers with sample outputs and example programs. Rectangle Calculate Area and Perimeter Source Code - This basic java example source code reads length and width of a rectangle from console input and then calculate the area and perimeter. io package and extends the Reader class. Dec 13, 2018 · BufferedReader in Java BufferedReader helps us to take user input in Java. int size = Integer. io. in refers to an object of type InputStream. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket © 2024 Google LLC Read & writer file in java using BufferReader & BufferWriter class. It will ask the user the height and the width of the rectangle then compute and display t This program takes input from the user using a BufferedReader for an amount, interest rate, and time period. Create an object of the scanner class as sc and read the length of the square from the user into the variable s. So we add the throws IOException to the main function. In the following example, the user would provide the height and width values of the rectangle during program execution and the area would be calculated based on the values provided. You can also read the entire file into a List or a single String for convenient access to all content at once. Nov 1, 2023 · To use BufferedReader in Java, you first create an instance of it with the syntax, BufferedReader reader = new BufferedReader(new FileReader("file. Modularity (Encapsulation) Jan 3, 2021 · In this article, we will see how to read a file using the BufferedReader class in Java. Following are the important points about BufferedReader ? Here is the source code of the Java Program to Find the Area of a Triangle Using Heron’s formula. Mar 13, 2023 · Learn how to get user input using BufferedReader in Java . pow() function Using BigInteger. We will have five geometrical shapes: circle, rectangle, triangle, square, and parallelogram. The problem with Peter's solution is that it is wrong (see my comment). OutputYou just Feb 15, 2023 · Overview A Java menu-driven program to calculate the area of geometrical shapes is a program that allows the user to select the desired shape and then input the relevant dimensions. public class Jan 22, 2013 · This video shows how to calculate surface area and volume of cylinder using simple Java program. When to Use BufferedReader In general,… Continue Reading java-buffered-reader Jan 20, 2025 · Java BufferedReader is used to read text file in java. io and has to imported. Using Buffered Reader Class Buffered Reader Class is the classical method to take input, Introduced in JDK 1. Searching Technique in array- to search student details. readLine (): You can use BufferedReader. It then calculates the interest on the amount by multiplying the amount, rate, and time and dividing by 100 before printing out the result. How This section discusses the details of reading and writing text files using buffered I/O streams. Algorithm: Start Create an instance of the Scanner class. May 17, 2025 · Java Object Oriented Programming - Create a class called Shape with abstract methods for calculating area and perimeter, and subclasses for Rectangle, Circle, and Triangle. The following Java program to print the area of a circle has been written in five simple different ways, static method, using constructor, Circle Calculate Area and Perimeter Source Code - This basic java example source code reads radius of a circle from console input and then calculate the area and perimeter. Aug 8, 2025 · To find the perimeter of a rectangle or square you have to add the lengths of all four sides. Files. Method 1: Using readLine () method of BufferedReader class. BufferedReader A program can convert an unbuffered stream into a buffered stream by passing the unbuffered stream object to the constructor for a buffered stream class. io May 23, 2021 · I n this tutorial, we are going to see how to write a Java program to calculate the area of a square. readLine()) != null) int index = -1; while((index = line. I have share many programming exercises and homework in this blog and today, I am going to share another simple programming assignment for beginners. Oct 15, 2024 · Method-1: Java Program to Find Area and Perimeter of Square By Using Static Values In this method, the side length of square is already declared in the program and stored by the variable sideLength. BufferedReader - best for large text files, because it is faster and reads line by line. file. Calculate: Total Marks, Percentage, Grade. i. Java tutorial is a comprehensive tutorial on Java language. Feb 23, 2024 · Formulae for area of different shapes: Area of a circle = 3. We will use the following formulas to calculate the Aug 23, 2021 · The BufferedReader class is part of the java. Learn about buffered reading operations in Java I/O. com Sep 10, 2022 · In this tutorial we will learn how to calculate area of Square. The constructor of this class accepts an InputStream object as a parameter. In the given program, we first declare an object of this class. * package contains the BufferedReader class which allows you to read the contents of a file. Jul 28, 2022 · Using lines() method of the Java BufferedReader class, which is available Java 8 onward, to get a Stream. FileInputStream - best for binary data (images, audio, PDFs) or when you need full control of raw bytes. 08 As we know to calculate the area of a circle, the radius of the circle must be known, so if the radius of the circle is known, then the area of the circle can be GeeksforGeeks | A computer science portal for geeks Apr 26, 2022 · Method 2: Java Program to Find Area of Square, Rectangle, and Circle using Method Overloading In this program, we will see how to find the area of the square, rectangle, and circle using Method Overloading. 0. BufferedReader is used to read text from a character input stream and buffers the characters for better performance. Overview BufferedReader is a class which simplifies reading text from a character input stream. Example : In this example we are finding a square of an integer and a float number. What is a BufferedReader in Java? BufferedReader is a Java class for reading the text of an input stream (such as a file) by transparently buffering characters, arrays, etc. The program must consist four different classes. Both of them have some pros and some cons. ) To read from the console we must use a BufferedReader object. As you might know, Reader is a utility class for reading character streams. Create a program in java that calculates area and perimeter of a square - use a class and test program to calculate the area and perimeter; assume length of square is 7 ft. But the BufferedReader class is in the package java. In this article, you will see the logical program to find the area of a Square using java. Jul 23, 2025 · A circle is a simple shape consisting of all the points in the plane that are equidistant from a point known as the center of the circle. BufferedReader Sample java program using bufferedreaderWrite a program that mimics a calculator. nio. Here, we will use * operator to compute the square. Write Java Program to find Volume and Surface Area of Cube with example. We then calculate the area of the square by multiplying the side by itself, and store the result in a double variable area. It should then output the number, the operator and the result. Such a stream could be obtained from a text file, from the console , from a socket, from a pipe , from a database or even from a memory location. nextInt(). Since it returns an integer value, Mar 11, 2015 · I want to type a multiple line text into the console using a BufferedReader and when I hit "Enter" to find the sum of the length of the whole text. You can specify the bufferSize in BufferedReader Jul 1, 2025 · Hello guys, if you are looking for Java program to calculate area of Square or program to calculate perimeter of square or just learning Java and looking for programming exercises then you have come to the right place. If you have any doubts related to this programming then do comment at the end of the post we are glad to help you out – check java program to find the area of a triangle Table of contents : Learn Java by Examples: How to Calculate Area and Circumference of Circle in a Java ProgramLearn Java by examples. Accept the value of M from the user. A square is a geometric shape with four equal sides and four right angles. Jun 12, 2021 · I n this tutorial, we are going to see different ways to read the first line of a file in Java. For example, In Java, console input is accomplished by reading from System. Method 2: Using read () method public int read () throws IOException It reads a character of text. 142) Example Input : radius= 5 Output: Area of circle is : 78. 1. It is possible to convert String to int using Integer. The set method also verifies that the supplied coordinates do, in fact, specify a rectangle. It can result in an IOException, so the exception must be thrown in the main method. First, it accepts three numbers of double type and then uses the arithmetic plus to add them and / operator to find the average. Calculate the area as a=s*s. Oct 8, 2019 · Guide to BufferedReader 1. Jul 23, 2025 · In Java, there are four different ways to read input from the user in the command line environment (console). * Write a class that has three overloaded static methods for calculating the areas of the following How to read a character input in java? In Java, Console input is accomplished by reading from System. This led to the use of the term square to mean raising to the second power. In this tutorial, we’re going to look at how to use the BufferedReader class. In any case that we encounter an IOException this java program will output a sensible message and the full stacktrace of what has happened. The area is the measurement of the surface of a shape. Mar 7, 2017 · BufferedReader can be used to input integers, floats and so on import java. Declare a variable to store the radius. Using filter method of the Java Stream API to filter lines which contain the given String and print those lines. Area of the Rectangle The area of the rectangle is the product of its length and width/breadth. The length is the larger of the two dimensions. The program Java provides several classes for file handling, but BufferedReader is one of the most commonly used for reading text files line by line efficiently. There is no direct method to take input from the user, but we can use the Scanner Class or the BufferedReader class, or the InputStreamReader Class. We take user input for the side of a square and then calculate and display its perimeter and area. Question: Write a Java program to calculate the area of square and rectangle. Discover its syntax, usage, and practical examples. Example: The below Java program demonstrates reading user input from the console using BufferedReader. Methods for Reading a Text File Using BufferedReader class Using Scanner Java Full Course for Beginners!👇👇https://www. We use BufferedReader from java io to take input from the user and display the output on the screen Apr 22, 2022 · Learn to create and operate the BufferedReader instance, set default buffer size and read from a file and system console with examples. BufferedReader public BufferedReader(Reader in, int sz) Creates a buffering character-input stream that uses an input buffer of the specified size. System. Initialize the length and breadth of the rectangle as 3 and 2 using parameterized constructor. Jul 23, 2022 · Area: A quantity that represents the extent of a 2-dimensional figure or shape in the plane is known as an area. Because of buffering characters, it provides an efficient way to read characters, arrays, and lines. Radius: The line segment from the center to any point of the circle is known as radius. Different Ways to Take Array Input from User 1. On the earlier example we have used InputStreamReader as our constructor The program asks the user for length and width values and then outputs the result in the console. The end of a line is to be understood by '\n' or '\r' or EOF. Jul 31, 2024 · In this tutorial, we are going to write a Java program to calculate the area of a circle using radius in java Programming with practical program code and step-by-step full complete explanation. Here is a perfect number program in Java using for loop along with a detailed explanation, examples, time complexity and program output. Display an appropriate message for an invalid input. These classes are crucial for Java professionals looking to build Programs Using Java. BufferedReader is a subclass of Reader class. Before we step into the Java Program to find Volume and Surface Area of Cube, Let see the definitions and formulas behind the Surface area of a Cube and Volume of a Cube Java Cube Program All the edges in the Cube have the same length. Following are the two ways to do it: 1) Program 1: Prompting user for entering the side of the square 2) Program 2: Side of the square is specified in the program' s source code. Everything you want to know about Java. Aug 25, 2022 · Using multiplication operator * Using Math. (For division, if the denominator is 0, output an appropriate message. in in a BufferedReader object. 34 Program 2: Calculate and Display Area of a Circle In this program, we will see how to calculate the area of a circle when the radius is given using inheritance. May 28, 2020 · The readLine () method of BufferedReader class in Java is used to read one line text at a time. For such cases, Java provides BufferedReader and BufferedWriter classes, which allow efficient data handling by reducing the number of I/O operations. Constructors of BufferedReader class BufferedReader class provides two constructors for creating buffered reader objects in Java that is as follows: 1. com/playlist?list=PLqleLpAMfxGAdqZeY_4uVQOPCnAjhH-eTPlease Like | Share | SUBSCRIBE our Channel. Addition of two numbers program is quite a simple one, we do also write the program in five different ways using standard values, command line arguments, classes and objects, without using addition+ operator, method, BufferedReader with sample outputs and code. BufferedReader object is used to create a character stream. The Java BufferedReader class is used with other readers to read data (in characters) more efficiently. Problem StatementGiven a side of a square, your task is to calculate its area. InputThe first line of the input contains the side of the square. My code is below: InputStreamReader instream = new InputStreamReader Dec 26, 2023 · Java BufferedReader is used to read text file in java. Jul 28, 2022 · Given a radius of the circle, write a java program to calculate and display the area of the circle. 55 Input : radius= 8 Output: Area of circle is : 201. Jun 10, 2021 · This article covers the BufferedReader in Java from the Reader class along with various constructors and methods and description with examples. The problem is that it seems I'm getting into an infinite loop and when I press "Enter" the program does not come to an end. readLine () throws a checked IOException, so it must be handled using a try-catch block or declared using throws IOException. In geometry, a square is a quadrilateral, which means it has four equal sides and four equal angles (90-degree angles). Here is the source code of the Java Program to Find the Surface Area and Volume of a Cuboid. Other Ways to Read Files There are several classes you can use to read files in Java: Scanner - best for simple text and when you want to parse numbers or words easily. Syntax: public int read() throws IOException Overrides: It overrides the read () method of Reader Apr 16, 2025 · Complete Java BufferedReader class tutorial covering all methods with examples. . You will learn more about Sep 22, 2022 · Java Tutorial #82 - Java BufferedReader Class with Examples (File Handling) In this video by Programming for Beginners we will learn Java BufferedReader Class with Examples (File Handling), using Question: Write a Java program to calculate the area of square and rectangle Initialize the side of the square as 5 using constructor Initialize the length and breadth of the rectangle as 3 and 2 using parameterized constructor Create static method to find area of square (Hint area of square * side X side) Create an instances method to find Mar 12, 2021 · Simple interest calculator program Below is a java program to calculate simple interest based on user input values of principal, rate and time using the above formula. This video will demonstrate how to compute the area of a rectangle. 1 version. This article will cover both basic and advanced concepts related to reading files in Java using BufferedReader. Provide methods to calculate the length, width, perimeter and area. This is a Java Program to Find Area of Square, Rectangle and Circle using Method Overloading. In this tutorial, we will learn about the Java BufferedReader class with the help of examples. We use BufferedReader to read a line of string and then use the parseDouble method of the Double class to convert the string to a number. indexOf("Hello",index+1)) != -1){ count++; } } return count; It walks through the line and looks for the next index, starting from the previous index+1. 2. Jan 27, 2024 · Java BufferedReader tutorial shows how to use Java BufferedReader to improve reading performance of text files. If you were new to java or at the beginning stage then, Check – 500+ simple Java programs for beginners. Nov 7, 2019 · The Java BufferedReader class in Java IO is used to read a buffer of data from an underlying Reader into the BufferedReader for increased performance, after which you can read the characters one at a time from the buffer (via the BufferedReader). Here, we shared three to four basic programs about to calculate the volume of a cylinder. GeeksforGeeks | A computer science portal for geeks Jan 8, 2023 · The area of a square is calculated by using the formula A=a*a. I'm having problems with using the BufferedReader I want to print the 6 lines of a text file: public class Reader { public static void main (String []args) throws IOException { FileReader in Jul 23, 2025 · Note: BufferedReader. Dec 4, 2023 · Learn how to use the BufferedReader class in Java, along with its different methods, and use cases with examples. Apr 17, 2021 · The area of the circle: 254. 5 days ago · 2) Write a program to read the First Name and Last Name of a person, his weight and height using command line arguments. e read() and readLine(). This method is used by wrapping the System. Any resource that represents a sink of characters can be Learn how to use the Java BufferedReader class for efficient file reading and character input stream handling. pow() function Using Apache Commons Math API Using multiplication operator * This is the simplest approach to compute square of a number in Java. Oct 16, 2018 · Write a java application to find the area and perimeter of square and rectangle. Calculate the BMI Index which is defined as the individual's body mass divided by the square of their height. Aug 29, 2025 · Java program to calculate or to print area of a circle in a simple method. Programs that use DataInputStreams for textual input can be localized by replacing each DataInputStream with an appropriate BufferedReader. By using BufferedReader. Overrides: read in class Reader Returns: The character read, as an integer in the range 0 to 65535 (0x00-0xffff), or -1 if the end of the stream has been reached Throws Aug 30, 2025 · The BufferedReader class in Java is used to read text from character based input streams by buffering characters. Apr 23, 2020 · java Program to find area of Square, Rectangle and Circle using Method Overloading May 24, 2021 · I n this tutorial, we are going to see how to write a Java program to calculate the area of a circle. Feb 10, 2025 · In this blog post, we will write C, C++, Python, and Java programs to calculate the area of different geometrical shapes based on the user's choice and input. Though the most important difference is in the way they work, but we will discuss the other details also. To obtain a character based stream that is attached to the console, wrap System. In this article, we will discuss the differences between them. In the context of BufferedReader, it reads a large block of data from the underlying input stream and stores Mar 1, 2016 · * This program will calculate area of rectangle, circle, and cylinder. “Method Overloading” is a feature in Java that allows one to write more than one method in the same class using the same method name. (Take ∏=3. Oct 28, 2015 · Firstly, consider using a Scanner to get your inputs. BufferedReader provides two important methods to read from the file. Syntax: public String readLine() throws IOException Parameters: This method does not accept any parameter. We declare three methods of same name but with different number of arguments or with different data types. Java program to calculate area & volume of sphere, cone and cylinder using method overriding. parseInt() but it's more convenient to use Scanner. igczt lnanoz vmfp ybwks kno ivbwnf hhyjvb uikubb jpueq aludvp