how to describe methods is java code example

Example 1: calling method in java

public class MyClass {
 
    void myMethod() {
        System.out.println("You have called me! My name is: myMethod!");
    }
 
    public static void main(String[] args) {
        new MyClass().myMethod();
    }
}

Example 2: java method

public class Main {
  public static void main(String args[]) {
    SayHi();
    
    int sum = AddNums(5, 6);
    System.out.println(sum);
  }
  
  public static void SayHi() { //This method has no return value
    System.out.println("Hi!");
  }
  
  public static int AddNums(int a, int b) { //This method has a return value
    return a + b;
}