代碼顯示編譯時使用了-cp觸發器,但沒有運行。顯然,它找不到hashmultimap。類路徑問題?

$ javac -cp google-collect-1.0.jar MultiThing.java

$ java -cp google-collect-1.0.jar MultiThing

Exception in thread "main" java.lang.NoClassDefFoundError: MultiThing

Caused by: java.lang.ClassNotFoundException: MultiThing

at java.net.URLClassLoader$1.run(URLClassLoader.java:217)

at java.security.AccessController.doPrivileged(Native Method)

at java.net.URLClassLoader.findClass(URLClassLoader.java:205)

at java.lang.ClassLoader.loadClass(ClassLoader.java:319)

at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)

at java.lang.ClassLoader.loadClass(ClassLoader.java:264)

at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:332)

Could not find the main class: MultiThing. Program will exit.

$ cat MultiThing.java

import java.io.*;

import java.util.*;

import com.google.common.annotations.*;

import com.google.common.collect.*;

public class MultiThing {

public static void main(String[] args) {

Multimap wordToFiles = HashMultimap.create();

wordToFiles.put("first", "HELLO");

wordToFiles.put("first", "HALLO");

for (String thing : wordToFiles.get("first")){

System.out.println(thing);

}

}

}

$ ls

google-collect-1.0.jar MultiThing.class com MultiThing.java

總結

以上是生活随笔為你收集整理的java 第三方代码_Java:如何使用第三方库?的全部內容，希望文章能夠幫你解決所遇到的問題。

如果覺得生活随笔網站內容還不錯，歡迎將生活随笔推薦給好友。