import java.util.Arrays;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Demon {
public static void main(String[] args) {
String[] lines = {"it is a pig","a good player."};
for(int i = 0; i < lines.length; i++){
lines[i] = changeLine(lines[i]);
}
System.out.println(Arrays.deepToString(lines));
}
public static String changeLine(String line){
String result = line.substring(0,1).toUpperCase() + line.substring(1);
return result;
}
/*public static void main(String[] args) {
String str = "this is a java test String upcase: 123string";
System.out.println(str);
StringBuffer stringbf = new StringBuffer();
Matcher m = Pattern.compile("([a-z])([a-z]*)", Pattern.CASE_INSENSITIVE).matcher(str);
while (m.find()) {
m.appendReplacement(stringbf, m.group(1).toUpperCase() + m.group(2).toLowerCase());
}
System.out.println(m.appendTail(stringbf).toString());
}*/
}