Web Reference: Mar 13, 2026 · Java Methods are blocks of code that perform a specific task. A method allows us to reuse code, improving both efficiency and organization. All methods in Java must belong to a class. Methods are similar to functions and expose the behavior of objects. A method allows to write a piece of logic once and reuse it wherever needed in the program. The syntax to declare a method is: Here, 1. returnType - It specifies what type of value a method returns For example if a method has an int return type then it returns an integer value. If the method does not return a value, its return type is void. 2. methodName - It is an identifierthat is used to refer to the particular method in a program. 3. ... A method is a block of code which only runs when it is called. You can pass data, known as parameters, into a method. Methods are used to perform certain actions, and they are also known as functions. Why use methods? To reuse code: define the code once, and use it many times.
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