[Manan] ADD:Counting the occurence of a substring in a string

Author: mananguptamg

SubstringOccurences.java

@@ -0,0 +1,30 @@
+import java.util.Scanner;
+
+class SubstringOccurences {
+    // Main method
+    public static void main(String[] args) {
+        Scanner input = new Scanner(System.in);
+
+        System.out.print("Enter a string: ");
+        String str = input.nextLine();
+
+        System.out.print("Enter a substring: ");
+        String subStr = input.nextLine();
+
+        // Method to calculate number of times a substring occurs in the String
+        int result = substringOccurences(str, subStr);
+
+        System.out.println("Number of times the substring " +subStr+ " occurs in the string: " + result);
+    }
+
+    // Method to calculate number of times a substring occurs in the String
+    public static int substringOccurences(String str, String subStr) {
+        int count = 0;
+        for (int i = 0; i < str.length(); i++) {
+            if (str.substring(i).startsWith(subStr)) {
+                count++;
+            }
+        }
+        return count;
+    }
+}