JAVA EE: Java Tutorial : Java String [regionMatches method example]

Tuesday 29 March 2016

Java Tutorial : Java String [regionMatches method example]

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https://www.youtube.com/watch?v=3jw46X-otzc&list=UUhwKlOVR041tngjerWxVccw

RegionMatchesDemo.java

public class RegionMatchesDemo
{
    public static void main(String[] args)
    {
        String searchMe = "Red Eggs and Ham";
        String findMe = "Eggs";
        int searchMeLength = searchMe.length();
        int findMeLength = findMe.length();
        boolean foundIt = false;
        /*
         * The program steps through the string referred to
         * by searchMe one character at a time. For each
         * character, the program calls the regionMatches
         * method to determine whether the substring
         * beginning with the current character matches the
         * string the program is looking for.
         */
        for (int i = 0; i <= (searchMeLength - findMeLength); i++)
        {
            if (searchMe.regionMatches(i, findMe, 0, findMeLength))
            {
                foundIt = true;
                System.out.println("foundIt = " + foundIt);
                System.out.println(searchMe.substring(i, i
                        + findMeLength));
                break;
            }
        }
        if (!foundIt)
            System.out.println("No match found.");
    }
}