技術標籤：學習筆記java

/*
位元組流結合類,實現簡單錄入資訊,並在本地儲存

 */
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Scanner;

public class Test {
    public static void main(String[] args) throws IOException {

        ArrayList<Student>
 
 list = new ArrayList<>();
//建立"學生資訊"資料夾
        File file = new File("F:\\學生資訊");
        file.mkdirs();

//鍵盤錄入學生資訊
        Scanner sc = new Scanner(System.in);
        for (int i = 0; i < 3; i++) {
            System.out.println("請輸入學生姓名:");
            String name =
 
 sc.next();
            System.out.println("請輸入學生年齡:");
            int age = sc.nextInt();
//將學生資訊新增到集合
            list.add(new Student(name, age));
        }


//遍歷集合得到每個學生的基礎資訊
        for (Student student : list) {
            String name = student.getName();
            String age = Integer.
 
toString(student.getAge());
//建立以學生姓名命名的文字
            String s = name + "--" + age;
            File file1 = new File(file, name + ".txt");
            boolean newFile = file1.createNewFile();
            System.out.println(name + "資訊建立" + newFile);
//寫入學生資訊到對應TXT文字
            FileOutputStream fos = new FileOutputStream(file1);
            fos.write(s.getBytes());

            fos.close();
        }

    }
}

基本學生類![在這裡插入圖片描述](https://img-blog.csdnimg.cn/20201214222604766.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0l2ZW53Zg==,size_16,color_FFFFFF,t_70#pic_center)

import java.util.Objects;

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

    public Student() {
    }

    public Student(String name, int age) {
        this.name = name;
        this.age = age;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;
        Student student = (Student) o;
        return age == student.age &&
                Objects.equals(name, student.name);
    }

    @Override
    public int hashCode() {
        return Objects.hash(name, age);
    }

    @Override
    public String toString() {
        return "Student{" +
                "name='" + name + '\'' +
                ", age=" + age +
                '}';
    }
}

![```](https://img-blog.csdnimg.cn/20201214222720290.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0l2ZW53Zg==,size_16,color_FFFFFF,t_70#pic_center)