5-10 Prime_Display
Post date: Apr 7, 2014 2:11:08 PM
package prime_display;
import java.util.Scanner;
public class Prime_Display
{
public static void main(String[] args)
{
Scanner input=new Scanner(System.in);
System.out.print("Please choose one of them 1 , 2 : ");
int number=input.nextInt();
switch(number)
{
case 1:Display1(); break;
case 2:Display2(); break;
default: System.out.println("invalid number");
}
}
public static void Display1()
{
for (int i = 2; i <=100; i++)
{
boolean flag=true;
for (int j = 2; j <i; j++)
if(i%j==0)
flag=false;
if(flag&&i%10>=5)
System.out.print(i+" ");
}
System.out.println();
}
public static void Display2()
{
for (int i = 2; i <=100; i++)
{
boolean flag=true;
for (int j = 2; j <i; j++)
if(i%j==0)
flag=false;
if(flag&&i%10<5)
System.out.print(i+" ");
}
System.out.println();
}
}