Q6：集合课堂练习1——ArrayList：往集合添加学生对象，然后按姓名删除相应记录

集合课堂练习1——ArrayList

package demo1;
//创建学生类
public class Student {
	public String  id;
	public String name;
	public Student(String id, String name) {
		super();
		this.id = id;
		this.name = name;
	}
	public String getId() {
		return id;
	}
	public void setId(String id) {
		this.id = id;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	@Override
	public String toString() {
		return "Student 学号：" + id + ", 姓名：" + name ;
	}
	public Student() {
		super();
		// TODO Auto-generated constructor stub
	}
}
package demo1;
import java.util.ArrayList;
import java.util.Scanner;

/**
 * 创建student类，有id和name，实例化3个学生对象，将三个学生对象添加到集合中，再使用for或者foreach遍历输出
 * 拓展：从控制台输入学生学号和姓名，添加到集合里，
 *     按姓名删除学生对象
 * @author Administrator
 *
 */
public class TestStudent {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		// 实例化3个学生对象
		Student s1 = new Student("01", "w1");
		Student s2 = new Student("02", "w2");
		Student s3 = new Student("03", "w3");
		// 添加到集合
		ArrayList<Student> aList = new ArrayList<Student>();
		aList.add(s1);
		aList.add(s2);
		aList.add(s3);
		// 控制台输入添加到集合
		System.out.println("请输入三个学生的学号和姓名：");
		Scanner in1 = new Scanner(System.in);
		for (int i = 0; i < 3; i++) {
			aList.add(new Student(in1.next(), in1.next()));
		}
		// 遍历输出
		for (Student student : aList) {
			System.out.println(student);
		}
		// 删除学生对象
		System.out.println("请输入需要删除的学生姓名：");
		String str1 = in1.next();
		for (int i = 0; i < aList.size(); i++) {
			if (str1.equals(aList.get(i).name)) {
				aList.remove(i);
			}else if(i==aList.size()){
				System.out.println("此学生不存在！！！");
			}
		}
		// 遍历输出
		for (Student student : aList) {
			System.out.println(student);
		}
	}
}