Bug 76530 [options] Warn about unused local variables and private members
I think we should warn about unused local variables and unused private members by default. These things are errors akin to unused imports, which we already warn about.
org.eclipse.jdt.ui.tests/ui/org/eclipse/jdt/ui/tests/quickfix/AssistQuickFixTest.java
proposal= (CUCorrectionProposal) proposals.get(1);
		String preview2= getPreviewContent(proposal);
		buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("public class E {\n");
		buf.append("    private Float p1;\n");
		buf.append("    private Number p2;\n");
		buf.append("    private Integer p22;\n");
		buf.append("\n");
		buf.append("    public void foo(Float p1, Integer p2) {\n");
		buf.append("        this.p1 = p1;\n");
		buf.append("        this.p22 = p2;\n");
		buf.append("    }\n");
		buf.append("}\n");
		String expected2= buf.toString();
		
		assertEqualStringsIgnoreOrder(new String[] { preview1, preview2 }, new String[] { expected1, expected2 });	
	}	
	
	public void testAssignParamToFieldInGeneric() throws Exception {
		Preferences corePrefs= JavaCore.getPlugin().getPluginPreferences();
		corePrefs.setValue(JavaCore.CODEASSIST_FIELD_PREFIXES, "f");
		
		IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);
		StringBuffer buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("import java.util.Vector;\n");
		buf.append("public class E<T> {\n");
		buf.append("    public  E(int count, Vector<String>[] vec) {\n");