Bug 116836 [clean up] Remove unnecessary casts
I20051116-1332 Clean up could offer "Remove unnecessary casts".
org.eclipse.jdt.ui.tests/ui/org/eclipse/jdt/ui/tests/quickfix/CleanUpTest.java
buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("import java.io.Serializable;\n");
		buf.append("public class E1 implements Serializable {\n");
		buf.append("    " + FIELD_COMMENT + "\n");
		buf.append("    private static final long serialVersionUID = 1L;\n");
		buf.append("    public class B1 implements Serializable {\n");
		buf.append("\n");
		buf.append("        " + FIELD_COMMENT + "\n");
		buf.append("        private static final long serialVersionUID = 1L;\n");
		buf.append("    }\n");
		buf.append("    public class B2 extends B1 {\n");
		buf.append("\n");
		buf.append("        " + FIELD_COMMENT + "\n");
		buf.append("        private static final long serialVersionUID = 1L;\n");
		buf.append("    }\n");
		buf.append("}\n");
		String expected1= buf.toString();
		
		assertRefactoringResultAsExpected(refactoring, new String[] {expected1});
	}
	
	public void testSerialVersion03() throws Exception {
		
		IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);
		StringBuffer buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("import java.io.Serializable;\n");
		buf.append("public class E1 implements Serializable {\n");
		buf.append("}\n");