public class Example3_7 {
publlic static void main(String argn[ ]) {
int sum = 0,i,j;
for(i = 1;i<=10;i++) {
if(i%2==0) {
continue;
}
sum=sum+1;
}
System.out.println("sum="+sum);
for(j=2;j<=100;j++) {
for(i=2;i<=j/2;i++) {
if(j%i==0)
break;
}
if(i>j/2) {
System.out.println(""+j+"是素数");
}
}
}
}