Bug 123946 [quick assist] "Add keyword 'final' to all unchanged variables and properties"
This function can be provide with the "Format" function
org.eclipse.jdt.ui.tests/ui/org/eclipse/jdt/ui/tests/quickfix/AssistQuickFixTest.java
int offset= buf.toString().indexOf("vec[]");
		AssistContext context= getCorrectionContext(cu, offset, 0);
		List proposals= collectAssists(context, false);
		
		assertNumberOfProposals(proposals, 1);
		assertCorrectLabels(proposals);
		
		CUCorrectionProposal proposal= (CUCorrectionProposal) proposals.get(0);
		String preview= getPreviewContent(proposal);
		buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("import java.util.Vector;\n");
		buf.append("public class E {\n");
		buf.append("    private int fgVec;\n");
		buf.append("    private static Vector[] fgVec2;\n");
		buf.append("\n");
		buf.append("    public static void foo(int count, Vector vec[]) {\n");
		buf.append("        E.fgVec2 = vec;\n");
		buf.append("        count++;\n");
		buf.append("    }\n");
		buf.append("}\n");
		assertEqualString(preview, buf.toString());	
	}
	
	public void testAssignParamToField4() throws Exception {
		IPreferenceStore store= JavaPlugin.getDefault().getPreferenceStore();
		store.setValue(PreferenceConstants.CODEGEN_KEYWORD_THIS, true);
		
		IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);