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Java String Occurrence in a String
Posted on: August 18, 2007 at 12:00 AM

In this program you will learn how to find the occurrence of a String in another String.

Java String Occurrence in a String

In this program you will learn how to find the occurrence of a String in another String. Here we have already taken a String.

Description of the code:

In the program code given below, we will find another String from a String which already exists. Here we have taken two variables- result and len. We have applied a condition here that if length is greater than zero then it will start searching for the string with the help of the method base.indexOf();. And once it will find the string at the given position then it will display the following output.

The code of the program is given below:


import java.util.*;

import java.io.*;

import java.lang.String;



public class StringCount{

  public static void main(String args[]){

  String searchFor = "is";

  String base = "This is the method";

  int len = searchFor.length();

  int result = 0;

  if (len > 0) {  

  int start = base.indexOf(searchFor);

  while (start != -1) {

  result++;

  start = base.indexOf(searchFor, start+len);

  }

  }

  System.out.println(result);

  }

}

Output of the program:

C:\unique>javac StringCount.java

C:\unique>java StringCount
2

C:\unique>

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