J2SE 6.0 (Mustang) Sample Code

JDK 6.0 release candidates are now availabile on Zamples.com.  Javadoc is here.

We show each example twice on this page.  The first version of the example is shown in its entirety, next to a "Try It!" button - we call this the 'read-only' code example, because it doesn't come from a database, and any changes you make can't be posted back to the community. Feel free to copy the example code and paste it into your own programs. The community postings follow, with "New" and "Reply" buttons added.  As with the read-only code example, you can run the code example, modify it and rerun it.

Unlike the read-only code examples, community postings allow you to create new discussion threads, or reply to an existing posting.  After you click on a 'Try It!' button in a community posting, or after you press a 'New' button to start a new discussion thread, edit your code, select the type of program (J2SE 6.0 Fragment or J2SE 6.0 Class), and then 'Run It!' until it works (or you give up).  When you click on the 'Save' button, the New Posting Wizard will appear.  The wizard will prompt you for information about your code example, and then save it to the database.  Each posting contains a code example, plus comments about the code.  Next time you refresh this page your new posting will appear.

Learn more about Zamples and play with samples for other APIs.

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Visit the Mustang forum on java.net

Invoking JDK 6's new features

Go ahead and give it a try:

// Define a runnable Java class here.  You must include a
// "main" method.  Command line arguments go in the text area above.
public class Test { 
    public static void main(String argv[]) {
        System.out.println("I love Zamples and J2SE 6!");
    }
}

Sample output:

I love Zamples and J2SE 6!

System.out.println(System.getProperty("java.vm.version"));

public class Test { 
    public static void main(String argv[]) {
        System.out.println(System.getProperty("java.vm.version"));
    }
}

// Define a runnable Java class here.  You must include a
// "main" method.  Command line arguments go in the text area above.
public class Test { 
    public static void main(String argv[]) {
        System.out.println("I love Zamples and J2SE 6!");
    }
}

Add New Code Samples Here

If you have code samples that don't fit into any of the topics above which you would like to contribute, please put them here.  We'll sort them out into their own sections as appropriate later.

File[] roots = File.listRoots();

for (int i=0; i<roots.length; i++) {
     System.out.println ("<b>File root " + roots[i] + "</b>");
     System.out.println ("   Free space = " + roots[i].getFreeSpace());
     System.out.println ("   Usable space = " + roots[i].getUsableSpace());
     System.out.println ("   Total space = " + roots[i].getTotalSpace());
}

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