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StringBuffer 객체에 문자열 끼워 넣기

class  StringBuffEx3
{
  public  static  void  main(String[]  args)
  {
    StringBuffer  sb1  =  new  StringBuffer("abc");
    StringBuffer  sb2  =  sb1.append("_test");

    if(sb1==sb2)
      System.out.println("같다");
    else
      System.out.println("틀리다");

    String  str  =  sb2.toString();
    
    sb2.insert(4,"대한민국");
    str  =  sb2.toString();
  
    System.out.println(sb1);
  }
}

[출처]  StringBuffer  갹체에  문자열  끼워  넣기|작성자  vison112
http://blog.naver.com/vison112?Redirect=Log&logNo=140049236144

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