Bug 123786 Following bug 109980, the compliance 6.0 should be added to the compiler's compliance list.
If the JRE/JDK used is a 1.6/6.0 VM, then the compliance 6.0 should be available. Compliance 1.6 implies source level 1.6 and target level 1.6.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/wizards/JavaProjectWizardFirstPage.java
private JREGroup fJREGroup;
	private DetectGroup fDetectGroup;
	private Validator fValidator;
	private String fInitialName;
	
	private static final String PAGE_NAME= NewWizardMessages.JavaProjectWizardFirstPage_page_pageName; 
	/**
	 * Create a new <code>SimpleProjectFirstPage</code>.
	 */
	public JavaProjectWizardFirstPage() {
		super(PAGE_NAME);
		setPageComplete(false);
		setTitle(NewWizardMessages.JavaProjectWizardFirstPage_page_title); 
		setDescription(NewWizardMessages.JavaProjectWizardFirstPage_page_description); 
		fInitialName= ""; 
		initializeDefaultVM();
	}
	
	private void initializeDefaultVM() {
		JavaRuntime.getDefaultVMInstall();
	}
	
	public void setName(String name) {
		fInitialName= name;
		if (fNameGroup != null) {
			fNameGroup.setName(name);
		}
	}
	public void createControl(Composite parent) {
		initializeDialogUnits(parent);