java，

java，

package po2;
import java.io.Serializable;
public class  Student implements Serializable {
/**
* 
*/
private static final long serialVersionUID = 2728800364865497557L;
private String name;
private int age;
private int id;
private int classroom;
 
public Student() {
    super();
}
public Student(int id,String name, int age, int classroom) {
    super();
    this.id = id;
    this.name = name;
    this.age = age;
    this.setClassroom(classroom);
}
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 String toString() {
       return"学号"+id+"姓名："+name+" "+"年龄："+age+"班级"+classroom;
    }
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public int getClassroom() {
return classroom;
}
public void setClassroom(int classroom) {
this.classroom = classroom;
}
 
}