编写2个接口:InterfaceA和InterfaceB;在接口InterfaceA中有个方法void printCapitalLetter();在接口InterfaceB中有个方法void printLowercaseLetter();然 后写一个类Print实现接口InterfaceA和InterfaceB,要求printCapitalLetter()方法 实现输出大写英文字母表的功能,pri
package com.homework1; public interface InterfaceA { //声明抽象方法 void printCapitalLetter(); }
package com.homework1; public interface InterfaceB { //声明抽象方法 void printLowercaseLetter(); }
package com.homework1; public class Print implements InterfaceA, InterfaceB { @Override public void printLowercaseLetter() { System.out.println("abcdefghigklmnopqrstuvwxyz"); } @Override public void printCapitalLetter() { System.out.println("ABCDEFGHIJKLMNOPQRSTUVWXYZ"); } }
package com.homework1; public class Print implements InterfaceA, InterfaceB { @Override public void printLowercaseLetter() { System.out.println("abcdefghigklmnopqrstuvwxyz"); } @Override public void printCapitalLetter() { System.out.println("ABCDEFGHIJKLMNOPQRSTUVWXYZ"); } }