Ex9_1 코드
<![CDATA[
package org.javaro.lecture;
public class Ex9_1 {
public static void main(String[] args) {
// TODO Auto-generated method stub
System.out.println("조병수-20191114-인터페이스");
KHello khello1=new KHello();
khello1.goodMorning();
khello1.goodNight();
}
}
interface GoodMorning{
abstract void goodMorning();
}
interface GoodNight{
abstract void goodNight();
}
class KHello implements GoodMorning, GoodNight{
public void goodMorning() {
System.out.println("좋은 아침");
}
public void goodNight() {
System.out.println("좋은 저녁");
}
}
]]>
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