Added the code for Prime Numbers in an interval

Author: ShadowFax1731

Prime-Numbers-in-an-interval/primeNumbersInterval.java

@@ -0,0 +1,23 @@
+import java.util.*;
+class primeNumbersInterval
+{
+public static void main (String[] args)
+{
+Scanner sc = new Scanner(System.in);
+int a, b, ctr = 0, i, j, primes = 0; 
+a = sc.nextInt();
+b = sc.nextInt();
+for (i = a; i <= b; i++)
+{
+for (j = 1; j <= i; j++)
+{
+if (i % j == 0) {
+	ctr++;
+}
+}
+if (ctr >= 2) 
+	primes++;
+}
+System.out.println("Number of primes = " + primes);
+}
+}