使用字符和字符串转换字符。

public class Main 

{

   public static void main(String[] args)

   { 
   /** 
   来 自 
   时代Java
   **/

      char character = 'A';  // initialize char

      String string = "This is also a string";  // String object

      Integer integer = 1234;  // initialize integer (autoboxing)


      System.out.printf("%c\n", character);

      System.out.printf("%s\n", "This is a string");

      System.out.printf("%s\n", string);

      System.out.printf(