java中对List集合中某个字段批量赋值

向List集合中某个字段批量赋值

实体类

public class Student{
    private String name;
    private int age;
    private String sex;
}

方法1

public static void ForEachUtils{
    public static List<Student> forEach(List<Student> s){
        s.forEach(t -> {
                t.setSex("男");
        });
    }
}

方法2

public static void studentForEach(List<Student> s){
        Iterator<Student> it = s.iterator();
        while(it.hasNext()){
            Student stu = it.next();
            stu.setSex("男");
　　} 

}