我已多次询问www.google.com,但我似乎无法弄清楚如何将其恢复为默认值。
我现在无法简单地编译和运行java文件..
romel$ java test.java
Exception in thread "main" java.lang.NoClassDefFoundError: test/java
Caused by: java.lang.ClassNotFoundException: test.java
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
答案 0 :(得分:2)
您的测试类是什么包?
假设您尚未指定包,则要运行的命令为java test
。通过运行“test.java”,它在名为“test”的包(目录)中查找名为“java”的类。
例如:
<强> test.java 强>
class test {
public static void main(String[] args) {
System.out.println("Hello World");
}
}
$ javac test.java
$ java test
Hello World
系统类路径位于/System/Library/Java/JavaConfig.plist
。默认值为:
<key>DefaultClasspath</key>
<string>$HOME/Library/Java:$NEXT_ROOT/Library/Java:$NEXT_ROOT/System/Library/Java:$NEXT_ROOT/Network/Library/Java:$NEXT_ROOT/System/Library/Frameworks/JavaVM.framework/Classes/classes.jar:$NEXT_ROOT/System/Library/Frameworks/JavaVM.framework/Classes/ui.jar</string>
答案 1 :(得分:-1)
试试这个,
java test
并且您的班级名称必须首字母大写,如Test