public class OpCode
{
    public static final String ACCUMULATOR = "acc";
    public static final String JUMP = "jmp";
    public static final String NOOP = "nop";

    protected OpCode (String type)
    {
        _type = type;
    }

    protected String _type;
}
@@ -229,36 +229,229 @@
     
-%7D%0A%0A    protected String _type
+    _executed = false;%0A    %7D%0A%0A    public void visit ()%0A    %7B%0A        _executed = true;%0A    %7D%0A%0A    public boolean visited ()%0A    %7B%0A        return _executed;%0A    %7D%0A%0A    protected String _type;%0A    protected boolean _executed
 ;%0A%7D

Update OpCode.java