字符串类的构造函数。

public class Main 

{

   public static void main(String[] args)/*来自 N o  w  J a v a . c o m - 时  代  Java*/

   {

      char[] charArray = {'b', 'i', 'r', 't', 'h', ' ', 'd', 'a', 'y'};

      String s = new String("hello");


      // use String constructors

      String s1 = new String();

      String s2 = new String(s);

      String s3 = new String(charArray);

      String s4 =