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  • list倒序删除

    public static void main(String[] args) {
      List<Integer> nums = new ArrayList<Integer>();  
      nums.add(3);  
      nums.add(5);  
      nums.add(1);  
      nums.add(0);  
      System.out.println(nums);  
      Collections.sort(nums);  
      System.out.println(nums); 
      for (int i = nums.size() -1; i >= 0; i--) {
       System.out.println(nums.get(i));
       nums.remove(i);
       System.out.println(nums);
      }
    }

    [3, 5, 1, 0]
    [0, 1, 3, 5]
    5
    [0, 1, 3]
    3
    [0, 1]
    1
    [0]
    0
    []

    public static void main(String[] args) {
        List<Integer> successList=new ArrayList<>();
        successList.add(5);
        successList.add(3);
        successList.add(6);
        System.out.println(successList);
        List<Integer> ascList1 = successList.stream().sorted(Comparator.reverseOrder()).collect(Collectors.toList());
        System.out.println(ascList1);
      }

    [5, 3, 6]

    [6, 5, 3]

     List<Integer> success=new ArrayList<>();
        success.add(5);
        success.add(3);
        success.add(6);
        List<Integer> successList=new ArrayList<>();
        successList.add(2);
        successList.add(0);
        successList.add(1);
        System.out.println(success);
        successList.stream().sorted(Comparator.reverseOrder()).forEach(successIndex ->success.remove(successIndex.intValue()));
        System.out.println(success);

    [5, 3, 6]
    []

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  • 原文地址:https://www.cnblogs.com/tonggc1668/p/8668823.html
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