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public class Test{
  
     private String name;
    public String getName(){
          return this.name;
    }
    public void setName(String name){
            this.name = name;
     }
    public callMethod(Test test){
       Test test1 = new Test();
        test1.setName("456");
       test.setName("123");
       test = test1;
       System.out.println("test name:"+test.getName());
    }
   public static void main(String []args){
        Test t = new Test();
        callMethod(t);
        System.out.println("t name:"+t.getName());
   }
}
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test name:456
t name:123
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test1.setName("123");
test.setName("456"); ¶¼ÓÐÁ˳õʼֵ
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public static void main(String args[]) {
Comparator cmp = (RuleBasedCollator)java.text.Collator.getInstance(java.util.Locale.CHINA);
String[] array = {"ÕÅÈý", "ÀîËÄ", "ÍõÎå"};
Arrays.sort(array, cmp);
for(String str : array){
System.out.println(str);
}
} ......

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/**
 * Equation.java
 */
package cn.edu.uibe.oop;
/**
 * ¼ÆËã ......
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