JDK14/Java14源码在线阅读

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 * Licensed to the Apache Software Foundation (ASF) under one or more
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 * this work for additional information regarding copyright ownership.
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 * (the "License"); you may not use this file except in compliance with
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package com.sun.org.apache.bcel.internal.generic;

/**
 * DUP_X2 - Duplicate top operand stack word and put three down
 * <PRE>Stack: ..., word3, word2, word1 -&gt; ..., word1, word3, word2, word1</PRE>
 *
 * @version $Id$
 */
public class DUP_X2 extends StackInstruction {

    public DUP_X2() {
        super(com.sun.org.apache.bcel.internal.Const.DUP_X2);
    }


    /**
     * Call corresponding visitor method(s). The order is:
     * Call visitor methods of implemented interfaces first, then
     * call methods according to the class hierarchy in descending order,
     * i.e., the most specific visitXXX() call comes last.
     *

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