以下是使用Java语言试着编写的求1-100内的素数的程序:
public class PrimeNumbers {
public static void main(String[] args) {
System.out.println("Prime numbers between 1 and 100 are:");
for (int i = 2; i <= 100; i++) {
if (isPrime(i)) {
System.out.print(i + " ");
}
}
}
public static boolean isPrime(int number) {
// 0 and 1 are not prime numbers
if (number <= 1) {
return false;
}
for (int i = 2; i <= Math.sqrt(number); i++) {
if (number % i == 0) {
return false;
}
}
return true;
}
}
此程序会打印出1-100内的所有素数。运行结果如下:
Prime numbers between 1 and 100 are:
2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 67 71 73 79 83 89 97
(文章为作者在学习java过程中的一些个人体会总结和借鉴,如有不当、错误的地方,请各位大佬批评指正,定当努力改正,如有侵权请联系作者删帖。)