making a function in java code example

Example 1: methods in java

A method in java is a group of statements to carry out some operation also 
known as functions.

Example 2: java methods

public class MyClass {
  static int myMethod(int x) {
    return 5 + x;
  }

  public static void main(String[] args) {
    System.out.println(myMethod(3));
  }
}
// Returns 8