jslkasd的专栏

实例House代码package cn.bdqn.entity;public class House { private int hid; //旅店编号 private String title; //标题 private Double price; //单价 private Double floorage;//房屋面积 public int getHid() {

学生类代码package cn.bdqn.entity;import java.util.HashSet;import java.util.Set;public class Student { private int sid; private String sname; private String sex; private Grade grade; private Paper

package cn.bdqn.test;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import java.sql.Blob;