import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class MainClass {
public static void main(String args[]) {
Pattern p = Pattern.compile("Java");
String candidateString = "Java Java Java.";
// Attempt to match the candidate String.
Matcher matcher = p.matcher(candidateString);
// loop though and display all matches
while (matcher.find()) {
System.out.println(matcher.group());
}
}
}