    public class StringRegionMatch {
    	public static void main(String[] args) {
    		String first_str = "Welcome to Microsoft";
    		String second_str = "I work with Microsoft";
    		boolean match = first_str.
    		      regionMatches(11, second_str, 12, 9);
    		System.out.println("first_str[11 -19] == "+ "second_str[12 - 21]:-"+ match);
    	}
    }