Java列表删除指定的对象或者元素(整型数字或者字符串)

1,整型数组删除指定的数字,例如:list=[1,2,3,4,5,6],删除5这个元素list=[1,2,3,4,6]

public class ArrayListRemove {
    public static void remove(ArrayList<Integer> list, int target){
        int size = list.size();
        for(int i = size - 1; i >= 0; i--){
            int item = list.get(i);
            if(target==item){
                list.remove(Integer.valueOf(item));//将整型数字当对象删除
                //list.remove(item)//将整型对象当做index删除
            }
        }
        System.out.println(list);
    }

    public static void main(String[] args) {
        ArrayList<Integer> list = new ArrayList<Integer>();
        list.add(1);
        list.add(2);
        list.add(3);
        list.add(4);
        list.add(5);
        list.add(6);
        remove(list, 5);

    }

}

2,字符型列表删除指定字符串,例如 list=[a,b,c,d,e,a],remove "a",list=[b, c, d, e]

import java.util.ArrayList;

public class ArrayListRemove {
    public static void remove(ArrayList<String> list, String target){
        int size = list.size();
        for(int i = size - 1; i >= 0; i--){
            String item = list.get(i);
            if(target.equals(item)){
                list.remove(item);//字符串当对象删除
            }
        }
        System.out.println(list);
    }

    public static void main(String[] args) {
        ArrayList<String> list = new ArrayList<String>();
        list.add("a");
        list.add("b");
        list.add("c");
        list.add("d");
        list.add("e");
        list.add("a");
        remove(list, "a");

    }

}

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转载自blog.csdn.net/a1084958096/article/details/80211866