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2¡¢Java Ó¦ÓóÌÐòÓÐÇÒ½öÓеÄÒ»ÖÖ²ÎÊý´«µÝ»úÖÆ£¬¼´°´Öµ´«µÝ---ÓÉ"º¯Êýµ÷ÓÃ"ÒýÆðµÄ
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4¡¢°´ÒýÓô«µÝÒâζ×ŵ±½«Ò»¸ö²ÎÊý´«µÝ¸øÒ»¸öº¯Êýʱ£¬º¯Êý½ÓÊÕµÄÊÇԭʼֵµÄÄÚ´æµØÖ·£¬¶ø²»ÊÇÖµ µÄ¸±±¾
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    class Test01
    {
    public static void main(String[] args)
    {
    StringBuffer s= new StringBuffer("good");
    StringBuffer s2=s;
    s2.append(" afternoon.");
    System.out.println(s);
    }
    }
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    good afternoon.
    Õâ˵Ã÷s2ºÍsÊÇͬһ¸ö¶ÔÏó¡£
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    class Test02
    {
    public static void main(String[] args)
    {
    int i=5;
    int i2=i;
    i2=6;
    System.out.println(i);
    }
    }
    ³ÌÐòµÄ½á¹ûÊÇʲô£¿5£¡£¡£¡
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