我想开发一个显示计算机信息的程序。我找到了一个名为“Oshi”的图书馆。当我导入这个库并运行我的代码时,出现了一个异常:
Exception in thread "main" java.lang.NoClassDefFoundError: com/sun/jna/Platform
at oshi.SystemInfo.<init>(SystemInfo.java:40)
at Main.main(Main.java:10)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:144)
Caused by: java.lang.ClassNotFoundException: com.sun.jna.Platform
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 7 more
我想运行这段代码:
SystemInfo si = new SystemInfo();
OperatingSystem os = si.getOperatingSystem();
System.out.println(os);
我做错了什么?