• 2022-06-06
    程序Helloworld.java编译错误。( )public class HelloWorld { public static void main(String[] args){ system.out.println("Hello World!"); } }
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    • 0

      下列的程序的运行结果是( )public class Example { public static void main(String[] args) { new Father () { public void show() { System.out.println("helloworld"); } }.show(); }}class Father { public void show() { System.out.println("hellofather"); }} A: hellofather B: helloworld C: 编译报错 D: 编译通过,运行报错

    • 1

      下列程序运行结果是 public class Demo { public static void main(String[] args) { Object obj=new Father(){ public void show(){ System.out.println("helloworld"); } }; obj.show(); } } class Father{ public void show(){ System.out.println("hello father"); } }

    • 2

      下面程序的运行结果是public class Demo { public static void main(String[] args) { new Object(){ public void show(){ System.out.println("helloworld"); } }.show(); }} A: 什么也不输出 B: helloworld C: 编译报错 D: 编译通过,运行报错

    • 3

      阅读下列的程序 public class Example { public static void main(String[] args) { new Father () { public void show() { System.out.println("helloworld"); } }.show(); } } class Father { public void show() { System.out.println("hellofather"); } } A. B. C. D.

    • 4

      package week01 Public class HelloWorld { public static mian(string args) { system.out.println(“Hello World!”); } } 上述源程序中语法错误共有 处?