關于map的問題求解答,謝謝
定義一個Map,把下列表格內容對應添加到Map。
1????奇數????
2????偶數????
3????奇數????
4????偶數????
5????奇數????
6????偶數????
7????奇數????
8????偶數????
從鍵盤輸入一個數字,從map中打印出奇數/偶數信息。
import?java.util.HashMap;
import?java.util.Map;
import?java.util.Scanner;
public?class?MapTest?{
????public?Map<Number,String>nums;
????public?MapTest(){
????????this.nums=new?HashMap<Number,?String>();
????}
????public?void?putTest(){
?????????String?parity;
????????int[]?numbers={1,2,3,4,5,6,7,8};
????????int?i=0;
????????while?(i<=8)?{
????????????if?(numbers[i]?%?2?==?0)?{
????????????????parity?=?"偶數";
????????????????Number?number?=?new?Number(numbers[i],?parity);
????????????????nums.put(numbers[i],parity);
????????????}
????????????if?(numbers[i]?!=?0)?{
?????????????????parity?=?"奇數";
????????????????Number?number?=?new?Number(numbers[i],?parity);
????????????????nums.put(numbers[i],parity);
????????????????}
????????}
????????}
????????public?void?testValue(){
????????System.out.println("請輸入要查詢的數字:");
????????????Scanner?console=new?Scanner(System.in);
????????????String?number=console.next();
????????????System.out.println("為"+nums.get(number).parity);
????????}
????????public?static?void?main(String[]?args){
????????MapTest?mt=new?MapTest();
????????mt.putTest();
????????mt.testValue();
????}
}求問哪里錯了
,應該怎樣去修改?
2018-02-06
改正了一下現在只有一個錯誤了