목차부모 클래스package extends1.ex2;public class Parent { public void income() { System.out.println("월세를 10,000,000원 받습니다."); }}자식 클래스package extends1.ex2;public class Child1 extends Parent { public void play() { System.out.println("놀자~~~~~~"); }}Mainpackage extends1.ex2;public class ChildMain { public static void main(String[] args) { Child1 child1 = new Child1(); ..
