UC知道eclipse调试异常
来源：百度知道 编辑：UC知道 时间：2024/06/22 13:09:19
Uncaught exception java/lang/NullPointerException.
Execution completed.
724802 bytecodes executed
23 thread switches
745 classes in the system (including system classes)
4268 dynamic objects allocated (129464 bytes)
6 garbage collections (100644 bytes collected)
高手请帮忙解释一下,谢谢
Execution completed.
724802 bytecodes executed
23 thread switches
745 classes in the system (including system classes)
4268 dynamic objects allocated (129464 bytes)
6 garbage collections (100644 bytes collected)
高手请帮忙解释一下,谢谢
Uncaught exception java/lang/NullPointerException.
这就是著名的传说中的java空指针异常,呵呵,看看你引用的变量是不是空的就调用他的方法了.
你调用的参数或者类没有被声明.