编辑代码

class Main {
	public static void main(String[] args) {
        Male.sex = "男性";
        Male.display(null);

        //Male.name = "张三";

        Male male1 = new Male();
        male1.name = "张三";
        //male1.sex = "男";
        male1.show();

        Male male2 = new Male();
        male2.name = "李四";
        //male2.sex = "男";
        male2.show();
	}
}
class Male{
    public String name;
    public static String sex = "男";

    public void show(){
        System.out.println(name+"|"+sex);
    }

    public static void display(String[] args){
        System.out.println("|"+sex);
        if(args!=null){
            System.out.println(args[0]);
        }
        Main.main(null);
    }
}