Scanner ,Math.random()答題正確統計
import java.util.Scanner;
public class Test{
public static void main(String[] lg){
final int p=5;
int a=0;//正確答案數
int b=0;//題目序號
Scanner input = new Scanner(System.in);//創建從鍵盤獲取數據的工具input
while(b<p){
int number1=(int)(Math.random()*100);
int number2=(int)(Math.random()*100);
if(number1<number2){
int temp;
temp = number1;
number1 = number2;
number2 = temp;
}
System.out.println(number1+"-"+number2+"=?");
int answer = input.nextInt();//答案
if(number1-number2==answer){
System.out.println("答對了");
a++;
}
else{
System.out.println("cuo");
}
b++;
}
System.out.println("正確個數" + a);
}
}
public class Test{
public static void main(String[] lg){
final int p=5;
int a=0;//正確答案數
int b=0;//題目序號
Scanner input = new Scanner(System.in);//創建從鍵盤獲取數據的工具input
while(b<p){
int number1=(int)(Math.random()*100);
int number2=(int)(Math.random()*100);
if(number1<number2){
int temp;
temp = number1;
number1 = number2;
number2 = temp;
}
System.out.println(number1+"-"+number2+"=?");
int answer = input.nextInt();//答案
if(number1-number2==answer){
System.out.println("答對了");
a++;
}
else{
System.out.println("cuo");
}
b++;
}
System.out.println("正確個數" + a);
}
}
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