第三章——上機
第三章
1.
import java.util.Scanner;
public class Disanshangji_01 {
public static void main(String[] args) {
int ramdom = (int) (Math.random() * 10);
System.out.println("我行我素管理系統>幸運抽獎\n");
System.out.println("請輸入會員號:");
Scanner input = new Scanner(System.in);
int custNo = input.nextInt();
int baiwei = custNo / 100 %10;
if (baiwei == ramdom) {
System.out.println(custNo + "是幸運客戶,獲精美MP3一個。");
}else{
System.out.println(custNo+ "謝謝您的支援!");
}
}
}
2.
package jishiti;
import java.util.Scanner;
public class Disanzhang_02 {
public static void main(String[] args) {
System.out.println("我行我素購物管理系統>客戶資訊管理>新增客戶資訊");
System.out.println("");
System.out.print("請輸入會員號(<4位整數>):");
Scanner input = new Scanner(System.in);
int huiyuan = input.nextInt();
if(huiyuan>=1000&&huiyuan<10000){
System.out.print("請輸入會員生日(月/日<用兩位數表示>):");
int qwe = input.nextInt();
System.out.print("請輸入積分:");
int asd = input.nextInt();
System.out.println("已錄入的會員資訊是:");
System.out.print(""+huiyuan);
System.out.print("\t"+qwe);
System.out.print("\t"+asd);
}else{System.out.println("錄入資訊失敗");}
}
}
3
package disamzhang.dome;
import java.util.Scanner;
public class Dsanzhang_01 {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.println("請輸入是否會員:是(y)/否(其他字元)");
String vip = scanner.next();
System.out.println("請輸入購買金額:");
Double money = scanner.nextDouble();
if(vip.equals("y")){
if(money >=200){
money=money*0.75;
}else{
money=money*0.8;
}
}else if(money >=100){
money=money*0.9;
}
System.out.println("實際支付:"+money);
}
}
4
package disamzhang.dome;
import java.util.Scanner;
public class Disanzhang_04 {
public static void main(String[] args) {
Scanner money = new Scanner(System.in);
System.out.print("請輸入會員積分:");
int fish = money.nextInt();
if(fish<2000){
System.out.println("該會員享受的折扣是:0.9");
}else if(2000<=fish && fish<4000){
System.out.println("該會員享受的折扣是:0.8");
}else if(4000<=fish && fish<8000){
System.out.println("該會員享受的折扣是:0.7");
}else{
System.out.println("該會員享受的折扣是:0.6");
}
}
}