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  • 接口题

    34.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,

    package zuoye;
    
    public class jiekoua 
    {
        public interface IInterfaceA {
        void printCapitalLetter();
        }
    
    }
    package zuoye;
    
    public class jiekoub
    {
        public interface IInterfaceB 
        {
            void printLowercaseLetter();
    
        }
    
    }
    package zuoye;
    
    import zuoye.jiekoua.IInterfaceA;
    import zuoye.jiekoub.IInterfaceB;
    
    public class Print implements IInterfaceA, IInterfaceB 
    {
    
        @Override
        public void printLowercaseLetter() 
        {
            System.out.println("abc");
    
        }
    
        @Override
        public void printCapitalLetter() 
        {
            System.out.println("ABC");
    
        }
    package zuoye;
    
    public class E2 {
    
        public static void main(String[] args) {
            Print p=new Print();
            Print a=p;
            Print b=p;
            a.printCapitalLetter();
            b.printLowercaseLetter();
    
        }
    
    }
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  • 原文地址:https://www.cnblogs.com/Levi1995/p/5910897.html
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