푸린세스

package ex13; public class Ex13_8 { public static void main(String[] args) { ThreadEx8_1 th1 = new ThreadEx8_1(); ThreadEx8_2 th2 = new ThreadEx8_2(); th1.start(); th2.start(); System.out.println(""); } } class ThreadEx8_1 extends Thread{ public void run() { for (int i=0; i

package ex8; class Fruit{ void meethod() { System.out.println("과일은 달콤상콤해"); } } class Banana extends Fruit{ void method1() { System.out.println("바나나는 길어."); } } class Orange extends Fruit{ void method2() { System.out.println("오렌지는 둥그레"); } } public class InstanceOfTestMyself { public static void main(String[] args) { Fruit ff = new Fruit(); Banana bb = new Banana(); Fruit ff2 = bb; //자손->부모로 형변환..

package ex12; import java.util.ArrayList; class Fruit implements Eatable{ public String toString() { return "Fruit";} } class Apple extends Fruit { public String toString() {return "Apple";}} class Grape extends Fruit { public String toString() {return "Grape";}} class Toy { public String toString() {return "Toy";}} interface Eatable{} class Ex12_3 { public static void main(String[] args) { Frui..

package ex12; import java.util.ArrayList; class Fruit implements Eatable{ public String toString() { return "Fruit";} } class Apple extends Fruit { public String toString() {return "Apple";}} class Grape extends Fruit { public String toString() {return "Grape";}} class Toy { public String toString() {return "Toy";}} interface Eatable{} class Ex12_3 { public static void main(String[] args) { //Bo..

package ex12; import java.util.HashMap; public class Ex12_22 { public static void main(String[] args) { HashMapmap = new HashMap(); //JDK1.7부터 생성자에 타입지정 생략가능. map.put("자바왕", new Student2("자바왕", 1, 1, 100, 100, 100)); System.out.println(map); //{자바왕=ex12.Student2@49e4cb85} //key , 뒤에것이 value

HTML 삽입 미리보기할 수 없는 소스