java 字符串转数组(String to Array)

java 字符串转数组(String to Array)

package com.journaldev.util;

import java.util.Arrays;
import java.util.regex.Pattern;

public class StringToArrayExample {
          
   

    /**
     * This class shows how to convert String to String Array in Java
     * @param args
     */
    public static void main(String[] args) {
          
   
        String line = "My name is Pankaj";
        //using String split function
        String[] words = line.split(" ");
        System.out.println(Arrays.toString(words));
        //using java.util.regex Pattern
        Pattern pattern = Pattern.compile(" ");
        words = pattern.split(line);
        System.out.println(Arrays.toString(words));
    }
}

数组转List、 判断String数组中是否包含某个字符串

/**
     * Java 判断String数组中是否包含某个字符串
     *
     * @param args
     */
    public static void main(String[] args) {
          
   
        String str = "124,567,345,389,10,33,";
        String[] split = str.split(",");
        List<String> list = Arrays.asList(split);
        System.out.println(list.contains("33") ? "包含" : "不包含");
        System.out.println(list.contains("39") ? "包含" : "不包含");
    }