AI代码解释 Exceptioninthread"main"java.lang.NoClassDefFoundError:TempClass at MainClass.main(MainClass.java:6)Caused by:java.lang.ClassNotFoundException:TempClass at java.net.URLClassLoader.findClass(URLClassLoader.java:381)at java.lang.ClassLoader.loadClass(ClassLoader.java:424)at sun.misc.Launcher...
就是没有类或者接口，也就是需要的包你没有import进去 还有一种可能就是你把类的名字写错了 继承，被继承你把完整的错误贴出来
expected是期望的意思，在某一个地方期望是一个java class或者interface，但是你没写，或者写的不是interface或者class 你看看你定义类的时候关键字是不是有错误 public interface 注意拼写 expected :被期盼意思就是告诉你 这里 需要定义为类或接口就是你的编译里只可以有class或者interface,不可以两个都有...
Exception in thread "main" java.lang.UnsupportedClassVersionError: com/baeldung/MajorMinorApp has been compiled by a more recent version of the Java Runtime (class file version 55.0), this version of the Java Runtime only recognizes class file versions up to 52.0 This error is telling us tha...
@Test(expected = NoClassDefFoundError.class)publicvoidgivenInitErrorInClass_whenloadClass_thenNoClassDefFoundError() { NoClassDefFoundErrorExample sample=newNoClassDefFoundErrorExample(); sample.getClassWithInitErrors(); } 4. 解决 有时,诊断和修复这两个问题可能非常耗时。这两个问题的主要原因是类文件(在类路径...
这几天查了下资料,同时翻看了下ClassLoader的源代码,安卓的类加载机制基本上来说和Java的是一样的。而ClassNotFoundException这个异常是在ClassLoader在loadClass方法触发的时候抛出的异常。 sample项目比较简单,所以默认使用的是PathDexClassLoader,而findClass方法还是调用的BaseDexClassLoader。
public class OperateDemo { //public, class首字母小写public static void main(String[] args) { //然后我看你命令行提示main拼错了int x = 4270;x = x/1000*1000;System.out.println(x);}}
JUnit uses AssertionErrors for indicating that a test is failing. You have to call assert methods before you set expectations of the ExpectedException rule, if they should be handled by the framework. E.g. the following test fails because of the assertTrue statement. ...
Java –“Could Not Find or Load Main Class” Error Explore the reasons for the error "Could not find or load main class" and learn how to avoid them. Read more→ Java Compiler Error: “class, interface, or enum expected” Learn about the "class, interface, or enum expected" Java compi...
HelloWorld.java:34: error: class, interface, or enum expected }写回答 关注 1回答 慕函数6145303 2018-04-15 11:20:04 已采纳 //34行:错误:类、接口或enum,, import java.util.Arrays; public class HelloWorld { //完成 main 方法 public static void main(String[] args) { HelloWorld hello=...