11.13（2）

package top.ELF;

import java.sql.Date;

public abstract class Student {
    private String name;
    private String Class;
    private String date;

public String getName() {
    return this.name;
}
public void setName(String name) {
    this.name = name;
}
public String GetClass() {
    return this.Class;
}
public void setClass(String Class) {
    this.Class = Class;
}
public String getDate() {
    return this.date;
}
public void setDate(String date) {
    this.date = date;
}
public Student(String name,String Class,String date) {
    this.name = name;
    this.Class = Class;
    this.date = date;
}
public Student() {
    super();
}

@Override
public String toString() {
    return "Student [name=" + name + "]";
}
public abstract String speak();

}