Java Basic

❮ Previous Next ❯ Math Class in Java In Java, the Math class is a part of the java.lang package and provides a wide range of mathematical methods and constants for performing common mathematical operations. It is a static class, which means you don’t need to create an instance of it; you can access its […]

❮ Previous Next ❯ Difference Between Method & Function in Java Method: A method is a ready-to-use function. Methods are always associated with a class. Methods can access and modify the data. Below are examples of the class and methods. A method can’t be  defined without the class For example: Class Method Math max Math

❮ Previous Next ❯ Numeric Data Types and Methods in Java 1. Converting a string to an integer using Integer.parseIntThe parseInt method converts a String representing an integer value into an actual int data type. String rollNoString = “123”;int rollNo = Integer.parseInt(rollNoString); // rollNo is 123       rollNoString: A string that holds the

❮ Previous Next ❯ Identifiers in Java In Java programming, identifiers are names used to identify variables, methods, classes, and other elements in your code. They act as labels to help you refer to different components within your program. Rules for Naming Identifiers Start with a letter, underscore, or dollar sign: Identifiers must begin with

❮ Previous Next ❯ Introduction to Variables in Java: Variables in Java are containers for storing data values. They have a type that defines what kind of data they can hold and a name that identifies them within a program. Java is a statically typed language, meaning that you must declare the data type of

❮ Previous Next ❯ Data Types in Java In Java, a data type specifies what kind of data a variable can hold. Data types are important because they define the size and layout of the variable’s memory, the range of values that can be stored, and the set of operations that can be applied to