exp1_3.java

JAVA小程序

public class exp1_3 {
	public static void main(String[] agrs) {
		double a[], sum = 0;
		a = new double[10];
		int tf = 1, n = 0;
		for (double i = 1000; i >= 3; i--) {
			for (int j = 2; j <= (int) Math.sqrt(i); j++) {
				if (i % j == 0)
					tf = 0;
			}
			if (tf == 1) {
				a[n] = i;
				System.out.println(i);
				n++;
			}
			tf = 1;
			if (n == 10)
				break;
		}
		for(int i=0;i<=9;i++)
			sum+=a[i];
		System.out.println(sum);
	}
}