public class Test{ 

   public static void stringReplace(String text){ 

     text=text.replace('j','l'); 

    } 

    public static void bufferReplace(StringBuffer text){ 

      text=text.append("c"); 

     } 

   public static void main(String args[]){   

      String textString=new String("java"); 

      StringBuffer textBuffer=new StringBuffer("java"); 

      stringReplace(textString); 

      bufferReplace(textBuffer); 

      System.out.println(textString+textBuffer); 

    } 

 } 

   what is the output? 

答案:"javajavac"