Java Programs

/**
 * Count the number of occurrences of substring in a string
 */

package programs;

import java.util.Scanner;

public class NumberOfOccurencesOfSubstring {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
System.out.println("Enter the Input String : ");
String input = in.next();
System.out.println("Enter the Substring to Count : ");
String input2 = in.next();

int index = 0;
int count = 0;

while (index != input.length()) {
index = input.indexOf(input2, index);
if (index != -1) {
count++;
index = index + input2.length();
} else {
index = index + 1;
}
}
System.out.println("Count is " + count);

}
}