请老师检查~

设置了一些简单的防报错条件和异常处理

package com.imooc.homework;

import java.util.ArrayList;

import java.util.List;

import java.util.Scanner;

public class Test {

public void houseCenterMenu() {

System.out.println("*******************************************");

System.out.println("        房源中心              ");

System.out.println("    1--添加房源");

System.out.println("    2--查看具体房源信息");

System.out.println("    3--区间查看房源信息");

System.out.println("    0--退出房源中心");

System.out.println("*******************************************");

}

public void displayAddOneHouse() {

System.out.println("添加房源");

System.out.println("输入房源编号：");

System.out.println("编号从0开始并为连续数值，如0,1,2,3");

}

public static void main(String[] args) {

Test t1=new Test();

t1.houseCenterMenu();

@SuppressWarnings("resource")

Scanner console=new Scanner(System.in);

List<PropertyListings> propertyListings=new ArrayList<>();

while(true) {

      System.out.println("请输入对应数字进行操作：");

   try {  

    int n=console.nextInt();

if(n<0 ||n>3) {

System.out.println("请输入菜单旁边的序号！");

    continue; 

}

switch(n) {

case 0: 

System.out.println("结束程序");

System.exit(1);

break;

case 1:

t1.displayAddOneHouse();

int houseId=console.nextInt();

System.out.println("请输入房源名称：");

String houseName=console.next();

System.out.println("请输入房源地址：");

String houseAddress=console.next();

System.out.println("请输入房源户型：");

String typesOfHouses=console.next();

PropertyListings pl=new PropertyListings(houseId, houseName, houseAddress, typesOfHouses);

    propertyListings.add(pl);

    System.out.println("*******************************************");

break;

case 2:

System.out.println("房源编号                 房源名称");

for(int i=0; i<propertyListings.size(); i++) {

System.out.print("  "+propertyListings.get(i).getHouseId()+"         ");

System.out.println(propertyListings.get(i).getHouseName());

}

System.out.println("请输入需要查看的具体房源编号：");

int m=console.nextInt();

System.out.println(propertyListings.get(m));

break;

case 3:

System.out.println("请输入要查看房源信息的第一个编号：");

int one=console.nextInt();

System.out.println("请输入要查看房源信息的第二个编号：");

int two=console.nextInt();

for(int i=one; i<two; i++) {

System.out.println(propertyListings.get(i));

System.out.println("---------------------------");

}

t1.displayAddOneHouse();

break;

}

}catch(Exception e) {

System.out.println("您的输入有错误");

console.next();

}

}

}

}

package com.imooc.homework;

public class PropertyListings {

   private int houseId;

   private String houseName;

   private String houseAddress;

   private String typesOfHouses;   

public PropertyListings(int houseId, String houseName, String houseAddress, String typesOfHouses) {

super();

this.houseId = houseId;

this.houseName = houseName;

this.houseAddress = houseAddress;

this.typesOfHouses = typesOfHouses;

}

public int getHouseId() {

return houseId;

}

public void setHouseId(int houseId) {

this.houseId = houseId;

}

public String getHouseName() {

return houseName;

}

public void setHouseName(String houseName) {

this.houseName = houseName;

}

public String getHouseAddress() {

return houseAddress;

}

public void setHouseAddress(String houseAddress) {

this.houseAddress = houseAddress;

}

public String getTypesOfHouses() {

return typesOfHouses;

}

public void setTypesOfHouses(String typesOfHouses) {

this.typesOfHouses = typesOfHouses;

}

@Override

public String toString() {

return "房源编号："+this.getHouseId()+

   "\n房源名称："+this.getHouseName()+

   "\n房源地址："+this.getHouseAddress()+

   "\n房屋类型："+this.getTypesOfHouses();

}

}

​