//Child_01.java
class Child_01 {
    static String value = "Hello! I'm Child_01!";
    static void method_01(){
        String msg = "This is class Child_01 !";
        System.out.println(msg);
    }

    public static void main(String[] args){
    	String hello = value;
    	System.out.println(hello);
    	method_01();
    }
}