public class Methods { //running this file would give us outputs of: //1. 'You are old!' //2. 'The sum of the 2 numbers is 15' //3. '600' //define variable with 'static' to use it inside of our methods (note: this variable is defined outside of the main method) static int age = 30; //'main' method (must be defined like this or you will get errors) public static void main(String[] args) { //call the method without parameters useLogic(); //call the method with parameters addInt(5, 10); //we can still use the 'main' method to code like we used to do. For ex. this code defines 'money', adds 500 to it and prints it int money = 100; money += 500; System.out.println(money); } //define a method without parameters public static void useLogic() { if(age > 25) { System.out.println("You are old!"); }else { System.out.println("You are young!"); } } //define a method with parameters public static void addInt(int num1, int num2) { System.out.println("The sum of the 2 numbers is " + (num1 + num2)); } }