chapter01 : inheritance

package org.joonzis.ex;

// 부모 클래스
class Parent{
	int number;
	void doParent() {
		System.out.println("doParent() 호출");
	}
}
// 자식 클래스
class Child extends Parent{
	void doChild() {
		System.out.println("doChild() 호출");
	}
}
public class Ex01_Inheritance {
	public static void main(String[] args) {
		
		Child child = new Child();
		
		child.number = 10;
		System.out.println(child.number);
		
		child.doParent();
		child.doChild();
		
	}
}