A sentimental robot

public class AA { private String str; public AA(String a){ //AA생성자 overloading str=a; } public String getStr(){ return str; } } public class BB extends AA { private int aa; public BB(String a,int aa) { //BB 생성자 overloading super(a); // 부모클래스(AA)가 오버로딩 되었으니 명시적으로 적어준다. this.aa=aa; } public int getAa(){ return aa; } } public class CC extends BB { public CC(String a, int aa) { super(a, aa); } publi..

public class AA { private String str; public void setStr(String str){ this.str=str; } public String getStr(){ return str; } } public class BB extends AA{ private int aa; public void setAa(int aa) { this.aa = aa; } public int getAa() { return aa; } } public class CC extends BB{ public static void main(String []args){ CC cc=new CC(); cc.setStr("Superman"); cc.setAa(1000); System.out.println(cc.get..