一个学生成绩的管理系统(添加、查找、更新、删除、成绩排序、总分排序)2

程序的主要功能如下：

代码如下：

转存失败重新上传取消1.Student.java

public class Student {//一个好的类属性要进行封装
private int on;
private String name;
private int age;
private int java;
private int c_shar;
private int html;
private int sql;
private int sum;
private int avg;
//一个属性具备两个方法赋值和取值
public void setOn(int on){
this.on=on;//把传递的参数赋值给当前的on
}
public int getOn(){//取值必须返回
return this.on;
}
public String getName() {
return this.name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return this.age;
}
public void setAge(int age) {
this.age = age;
}
public int getJava() {
return java;
}
public void setJava(int java) {
this.java = java;
}
public int getC_shar() {
return c_shar;
}
public void setC_shar(int c_shar) {
this.c_shar = c_shar;
}
public int getHtml() {
return html;
}
public void setHtml(int html) {
this.html = html;
}
public int getSql() {
return sql;
}
public void setSql(int sql) {
this.sql = sql;
}
public int getSum() {
return sum;
}
public void setSum() {