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Test4.java
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28 lines (24 loc) · 792 Bytes
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/**
* @program JavaBooks
* @description: 假设有一个字符串列表，需要删除其中所有长度大于3的字符串。
* @author: mf
* @create: 2020/08/04 21:28
*/
package lmd;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
public class Test4 {
public static void main(String[] args) {
// 如果需要在迭代过程冲对容器进行删除操作必须使用迭代器
ArrayList<String> list = new ArrayList<>(Arrays.asList("I", "love", "you", "too"));
Iterator<String> it = list.iterator();
while (it.hasNext()){
if (it.next().length() > 3)
it.remove();
}
// java8
list.removeIf(s -> s.length() > 3);
System.out.println(list.toString());
}
}