java操作list使用Stream

import java.util.ArrayList;
import java.util.Arrays;
 
public class demo_array {
    public static void main(String[] args) {
        ArrayList<String> str_name = new ArrayList<>();
        str_name.add("张强");
        str_name.add("张三丰");
        str_name.add("刘若英");
        str_name.add("周芷若");
        str_name.add("王二小");
        str_name.add("张无忌");
        ArrayList<String> short_z = new ArrayList<>();
        for (String s : str_name) {
            if(s.startsWith("张")&&s.length()==3){
                short_z.add(s);
            }
        }
        System.out.println(short_z.toString());
        str_name.stream().filter((name)->name.length()==3).
                filter(name->name.startsWith("张")).forEach(name-> System.out.println(name));
    }
}