PPT题目

//生成一千个随机数
public class LinearCongruentialGenerator {
    private static final long MODULUS = 2147483647; // 2^31 - 1
    private static final long MULTIPLIER = 75;
    private static final long INCREMENT = 0;
    
    private long state;

    public LinearCongruentialGenerator(long seed) {
        this.state = seed;
    }

    public int nextRandomInt() {
        state = (MULTIPLIER * state + INCREMENT) % MODULUS;
        return (int) state;
    }

    public static void main(String[] args) {
        int numberOfRandomInts = 1000;

        LinearCongruentialGenerator generator = new LinearCongruentialGenerator(System.currentTimeMillis());

        for (int i = 0; i < numberOfRandomInts; i++) {
            int randomInt = generator.nextRandomInt();
            System.out.println(randomInt);
        }
    }
}
//用递归求一个数的阶乘
public class FactorialCalculator {

    public static long calculateFactorial(int n) {
        if (n == 0 || n == 1) {
            return 1;
        } else {
            return n * calculateFactorial(n - 1);
        }
    }

    public static void main(String[] args) {
        int number = 5; // 替换为您要计算阶乘的整数
        long factorial = calculateFactorial(number);
        System.out.println(number + "的阶乘是：" + factorial);
    }
}