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- stu@master:~/java/tmp$ ll
- total 4
- -rw-rw-r-- 1 stu stu 235 Oct 19 18:07 TestPackage.java
- stu@master:~/java/tmp$ cat TestPackage.java
- package org.it315;
- public class TestPackage
- {
- public static void main(String[] args)
- {
- new Test().print();
- }
- }
- class Test
- {
- public void print()
- {
- System.out.println("the program is demonstrating how to using package!");
- }
- }
- stu@master:~/java/tmp$ javac TestPackage.java
- stu@master:~/java/tmp$ java TestPackage
- Exception in thread "main" java.lang.NoClassDefFoundError: TestPackage (wrong name: org/it315/TestPackage)
- at java.lang.ClassLoader.defineClass1(Native Method)
- at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
- at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
- at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
- at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
- at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
- at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
- at java.security.AccessController.doPrivileged(Native Method)
- at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
- at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
- at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
- at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
- at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:482)
- stu@master:~/java/tmp$ java org.it315.TestPackage
- Error: Could not find or load main class org.it315.TestPackage
- stu@master:~/java/tmp$
复制代码 我又想到是不是java找不到 Test.class, 于是加上路径:- stu@master:~/java/tmp$ java -classpath ./ org.it315.TestPackage
- Error: Could not find or load main class org.it315.TestPackage
- stu@master:~/java/tmp$
复制代码 哪位朋友能指点一下,谢谢! |
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