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public class School {
        //ÊôÐÔ
String sname;
int jshu;
int jfshu;
//·½·¨
public String toString()
{
      return "Ãû³Æ£º"+this.sname+"½ÌÊÒÊý£º"+this.jshu+"»ú·¿Êý£º"+this.jfshu;
}


}

public class Schooltest {

/**
* @param args
*/
public static void main(String[] args){
     
      School xiao2=new School();
      xiao2.sname="changsha";
      xiao2.jfshu=2;
      xiao2.jshu=3;
     
      System.out.println(xiao2.toString());
     
      School xiao3=new School();
      xiao3=xiao2;
   
      xiao3.sname="wuhan";
      System.out.println(xiao2.toString());
      System.out.println(xiao3.toString());
}

}
ÉÏÃæÊÇÒ»¶Î¼òµ¥µÄ´úÂ룬µ«ÊDZÉÈËÐÄÀïÓиöÒÉÎÊ£¬ÔÚ xiao3=xiao2Ö®ºó£¬xiao3µÄÖµ¸Ä±äÁË£¬xiao2µÄÖµÒ²¸Ä±äÁË£¬xiao3µÄÖµ¸ÄΪwuhan,xiao2µÄÖµÒ²¸ÄΪwuhanÁË£¬´óΪ²»½â£¬Çë¸÷λ¸ø½âÊÍÏ¡£
Java code



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