JavaSE 方法重载

package overload;

public class MethodDemo1 {
    
    
    public static void main(String[] args) {
    
    
        // 方法重载
        fire();
        fire("Moon");
        fire(10, "Hell");
    }

    public static void fire() {
    
    
//        System.out.println("Fire 1 missile to Mars");
        fire("Mars");
    }

    public static void fire(String location) {
    
    
//        System.out.println("Fire 1 missile to " + location);
        fire(1, location);
    }

    public static void fire(int number, String location) {
    
    
        System.out.println("Fire " + number + " x missile to " + location);
    }
}