public class SystemTest { public static void main(String[] args) { System system = new System(); } 能帮个忙吗?漏了,重新写过吧:public class SystemTest{ public static void main(String [] args) { System system = new System();
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![public class SystemTest { public static void main(String[] args) { System system = new System(); } 能帮个忙吗?漏了,重新写过吧:public class SystemTest{ public static void main(String [] args) { System system = new System();](/uploads/image/z/10284781-13-1.jpg?t=public+class+SystemTest+%7B+public+static+void+main%28String%5B%5D+args%29+%7B+System+system+%3D+new+System%28%29%3B+%7D+%E8%83%BD%E5%B8%AE%E4%B8%AA%E5%BF%99%E5%90%97%3F%E6%BC%8F%E4%BA%86%2C%E9%87%8D%E6%96%B0%E5%86%99%E8%BF%87%E5%90%A7%EF%BC%9Apublic+class+SystemTest%7B+++++public+static+void+main%28String+%5B%5D+args%29++%7B++++++++System+system+%3D+new+System%28%29%3B)
public class SystemTest { public static void main(String[] args) { System system = new System(); } 能帮个忙吗?漏了,重新写过吧:public class SystemTest{ public static void main(String [] args) { System system = new System();
public class SystemTest { public static void main(String[] args) { System system = new System(); }
能帮个忙吗?
漏了,重新写过吧:
public class SystemTest
{
public static void main(String [] args)
{
System system = new System();
system.output;
}
}
class System
{
public void output()
{
System.out.println("output");
}
}
郁闷中,我将此程序在Eclipse中重写时,编译通过.但用dos命令符编译时出现上图的错误,不知是不是个人环境变量配置出现问题,还是其他的?
public class SystemTest { public static void main(String[] args) { System system = new System(); } 能帮个忙吗?漏了,重新写过吧:public class SystemTest{ public static void main(String [] args) { System system = new System();
由于你已经重写了System类 所以你System.out.println的时候 out在你定义的System里面没有 所以出现异常 你可以自己定义的System类去继承System类
没试过 理论. 不过这样只是玩玩的 没有哪个搞开发的会去重写System类的