Java数组去掉重复的方法集

import java.util.List;  
import java.util.concurrent.CopyOnWriteArrayList;  
  
 
  
public class ArrayRemoveRepeat {  
  
    /** 
     * @param args 
     */  
    public static void main(String[] args) {  
        // 原始数组是{4,2,4,6,1,7,8,19,11}，得到结果{4,8}。  
        System.out.println("之前的数组");  
        Integer[] src = { 4,8 };  
        for (Integer k : src) {  
            System.out.print(k + ",");  
        }  
  
        List<Integer> list = new CopyOnWriteArrayList<Integer>(src);  
  
  
        int i = 0;  
        while (i < list.size() - 1) {  
              
            int j = i+1;  
            while (j < list.size()) {  
                if (list.get(i) == list.get(j)) {  
                    list.remove(j);  
                    j--;  
                }  
                j++;  
            }  
              
  
            i++;  
        }  
  
        src = list.toArray(new Integer[list.size()]);  
        System.out.println("n之后的数组");  
        for (Integer k : src) {  
            System.out.print(k + ",");  
        }  
    }  
}