ContinueSample1.java

import java.util.Random;
import java.util.Scanner;

public class ContinueSample1 {
	public static void main(String[] args) {
		Random rn = new Random();
		Scanner sc = new Scanner(System.in);
		
		System.out.println("計算します。");
		System.out.println("足し算・引き算・掛け算の順番です。");
		System.out.println("各3問ずつ出題されます。");
		System.out.println("各問題で最初の2問を連続で正解すると次にいけます。");
		
		int count = 0;
		int count2 = 0;
		int kaisuu = 0;
		int kotae = 0;
		int seikai = 0;
		kurikaesu:for(int i = 1; i <= 3; i++) {
			for(int j = 1; j <= 3; j++) {
				int mondai1 = 1 + rn.nextInt(100);
				int mondai2 = 1 + rn.nextInt(100);
				kaisuu++;
				
				if(i == 1){
					System.out.println("----------足し算");
					System.out.print(mondai1 + "+" + mondai2 + "=");
					kotae = sc.nextInt();
					seikai = (mondai1 + mondai2);
					if(seikai == kotae) {
						System.out.println("正解です。");
						count++;
						count2++;
					}else {
						System.out.println("不正解です。");
						System.out.println("正解は:" + seikai);
					}
				}
				if(count == 2) {
					count = 0;
					continue kurikaesu;
				}
				if(j == 3) {
					count = 0;
				}if(i == 2) {
					System.out.println("----------引き算");
					System.out.println(mondai1 + "-" + mondai2 + "=");
					kotae = sc.nextInt();
					seikai = (mondai1 - mondai2);
					if(seikai == kotae) {
						System.out.println("正解です。");
						count++;
						count2++;
					} else {
						System.out.println("不正解です。");
						System.out.println("正解は" + seikai);
					}
					if(count == 2) {
						count = 0;
						continue kurikaesu;
					}
					if(j == 3) {
						count = 0;
					}
				}
				if(i == 3) {
					System.out.println("----------掛け算");
					System.out.println(mondai1 + "*" + mondai2 + "=");
					kotae = sc.nextInt();
					seikai = (mondai1 * mondai2);
					if(seikai == kotae) {
						System.out.println("正解です。");
						count++;
						count2++;
					} else {
						System.out.println("不正解です。");
						System.out.println("正解は" + seikai);
					}
					if(count == 2) {
						count = 0;
						continue kurikaesu;
					}
					if(j == 3) {
						count = 0;
					}
				}
			}
		}
		System.out.println(kaisuu + "問中" + count2 + "問正解です。");
	}
}