StringBuilder追加方法。

public class Main 

{

   public static void main(String[] args)
   /* 
   *来 自
    nowjava - 时  代  Java
   */

   {

      Object objectRef = "hello"; 

      String string = "goodbye";  

      char[] charArray = {'a', 'b', 'c', 'd', 'e', 'f'};

      boolean booleanValue = true;

      char characterValue = 'Z';

      int integerValue = 7;

      long longValue = 10000000000L;

      float floatValue = 2.5f; 

      double doubleValue = 33.333;//来自 n  o  w  j  a  v  a . c o m


      StringBuilder lastBuffer = new StringBuilder("last buffer");

      StringBuilder buffer = new StringBuilder();


      buffer.append(objectRef)

            .append("%n")

            .append(string)

            .append("%n")

            .append(charArray)

            .append("%n")

            .append(charArray, 0, 3)

            .append("%n")

            .append(booleanValue)

            .append("%n")

            .append(characterValue)

            .append("%n")

            .append(integerValue)

            .append("%n")

            .append(longValue)

            .append(