package util;

public class StringUtil {

    private StringUtil() {

    }

    /**

     * ABCDE CDEFG

     * should return

     * ABCDEFG

     * @param startString

     * @param endString

     * @return

     */

    public static String mergeStrings(

            String startString,

            String endString

    ) {

        int max = 0;

        for (int i = 1; i <= endString.length(); i++) {

            String subStr = endString.substring(0, i);

            int posnFound = startString.lastIndexOf(subStr);

            if (posnFound >= 0

                    && startString.lastIndexOf(subStr) == startString.length() - subStr.length()) {

                max = i;

            }

        }

        return startString + endString.substring(max);

    }

}