java 热腾腾的代码

package TaskDemos;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.util.Scanner;


class Operate {
    public static void add(){
        FileOperate fo=new FileOperate("d:\\test.txt");
        System.out.println("====添加学生====");
        Scanner sc=new Scanner(System.in);
        System.out.print("请输入姓名:");
        String name=sc.nextLine();
        System.out.print("请输入性别:");
        String sex=sc.nextLine();
        System.out.print("请输入出生日期:");
        String birth=sc.nextLine();
        Person per=new Person(name,sex,birth);
        try{
            fo.save(per);
        }catch (Exception e){
            e.printStackTrace();
        }
    }
    
    public static void find(){
        FileOperate fo=new FileOperate("d:\\test.txt");//存放路径
        Person per=null;
        System.out.println("====查看学生====");
        Scanner sc=new Scanner(System.in);
        System.out.print("请输入姓名:");
        String name=sc.nextLine();
        try{
            per=(Person)fo.load();
            if(per.getName().equals(name)){
                System.out.print(per.toString());
            }else{
                System.out.printf("%s不存在\n",name);
            }
        }catch (Exception e){
            e.printStackTrace();
        }
    }
}
class Menu {
    public Menu(){
        while(true){
            this.show();
        }
    }
    public void show(){
        System.out.println("======学生信息管理=====");
        System.out.println("1.添加学生");
        System.out.println("2.查看学生");
        System.out.println("3.退出");
        System.out.println("==按数字键选择==");
        Scanner sc=new Scanner(System.in);
        int i=sc.nextInt();
        switch(i){
        case 1:{
            Operate.add();
            break;
        }
        case 2:{
            Operate.find();
            break;
        }
        case 3:{
            System.exit(1);
            break;
        }
        default:{
            System.out.println("请选择正确的操作!");
        }
        }
    }
}
class FileOperate {
    private File file=null;
    public FileOperate(String pathName){
        this.file=new File(pathName);
    }
    public boolean save(Object obj) throws Exception{
        ObjectOutputStream oos=null;
        boolean flag=false;
        try{
            oos=new ObjectOutputStream(new FileOutputStream(this.file));
            oos.writeObject(obj);
            flag=true;
        }catch (Exception e){
            throw e;
        }finally{
            if(oos!=null){
                oos.close();
            }
        }
        return flag;
    }
    public Object load() throws Exception{
        Object obj=null;
        ObjectInputStream ois=null;
        try{
            ois=new ObjectInputStream(new FileInputStream(this.file));
            obj=ois.readObject();
        }catch (Exception e){
            throw e;
        }finally{
            if(ois!=null){
                ois.close();
            }
        }
        return obj;
    }
}
class Person implements Serializable{
  
    private static final long serialVersionUID = 1L;
    private String name;
    private String sex;
    private String birthday;
    public Person(String name,String sex,String birthday){
        this.name=name;
        this.sex=sex;
        this.birthday=birthday;
    }
    public String getBirthday() {
        return birthday;
    }
    public void setBirthday(String birthday) {
        this.birthday = birthday;
    }
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public String getsex() {
        return sex;
    }
    public void setsex(String sex) {
        this.sex = sex;
    }
    public String toString(){
        return "姓名:"+this.name+"\n"+"性别:"+this.sex+"\n"+"出生:"+this.birthday+"\n";
    }

}
public class A13_M3 {
    public static void main(String[] args) {
        new Menu();
    }
}