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Showing posts with the label how to declare variables in java

Variables in JAVA Language

Java Variables : Variables store data for processing. A variable is given a name (or identifier), such as area, age, height, and the like. The name uniquely identifies each variable, assigning a value to the variable and retrieving the value stored. Variables have types. Some examples: - int: for integers (whole numbers) such as 123 and -456 - double: for floating-point or real numbers with optional decimal points and fractional parts in fixed or scientific notations, such as 3.1416, -55.66. - String: for texts such as "Hello" or "Good Morning!". Text strings are enclosed within double quotes. You can declare a variable of a type and assign it a value. Example: String name = "David"; This creates a variable called name of type String, and assigns it the value "David". Examples of variable declarations: class MyClass {     public static void main(String[ ] args) {         String name ="David";         int age = ...