集合的三种遍历方法

package CollectionTest;

import java.util.ArrayList;
import java.util.Iterator;

public class ArrayListTest02 {
    public static void main(String[] args) {
        ArrayList<Student> students = new ArrayList<>();
        students.add(new Student("小王",23,25600));
        students.add(new Student("小张",25,35600));
        students.add(new Student("小侬",24,46600));
        students.add(new Student("小李",26,45600));
        //方法一：使用传统的遍历方式for循环
        System.out.println("============使用传统的for循环进行遍历==================");
        for (int i = 0; i <students.size() ; i++) {
            Student student = students.get(i);
            System.out.println("姓名："+student.getName()+","+"年龄："+student.getAge()+","+"工资："+student.getSal());
        }
        System.out.println("============使用增强for循环进行遍历==================");
        //方法二：使用增强for循环
        for (Student student :students) {
            System.out.println("姓名："+student.getName()+"年龄："+student.getAge()+"工资："+student.getSal());
        }
        System.out.println("============使用迭代器iterator进行遍历==================");
        //1.先获取迭代器
        Iterator<Student> iterator = students.iterator();
        //2.再使用while循环进行遍历
        while (iterator.hasNext()) {
            Student student =  iterator.next();
            System.out.println("姓名;"+student.getName()+"\t"+"年龄;"+student.getAge()+"岁"+"\t"+"工资;"+student.getSal());
            
        }
    }
}