title: I want to restore the default java CLASSPATH of my MAc os 10.7.4
body: <p>I've asked www.google.com many times but I can't seem to figure out how to restore it to default..</p>
  
  <p>I am not able to simply compile and run java file now..</p>
  
  <pre><code>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)
  </code></pre>