一个简单的小程序-
GuessNumber.java(猜数字游戏)
import java.util.Scanner;
import java.util.Random;
public class GuessNumber {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
Random random = new Random();
int number = random.nextInt(100) + 1;
int guess = 0;
int tries = 0;
System.out.println("🎯 猜数字游戏 (1-100)");
while (guess != number) {
System.out.print("请输入你的猜测: ");
guess = scanner.nextInt();
tries++;
if (guess < number) {
System.out.println("猜小了!");
} else if (guess > number) {
System.out.println("猜大了!");
} else {
System.out.println("🎉 恭喜猜对了!");
System.out.println("你用了 " + tries + " 次机会");
}
}
scanner.close();
}
}