在Java中将单个字符附加到字符串或char数组？

Question

是否可以在Java中将单个字符附加到数组或字符串的末尾

例如：

    private static void /*methodName*/ () {            
          String character = "a"
          String otherString = "helen";
          //this is where i need help, i would like to make the otherString become 
         // helena, is there a way to do this?               
      }

Answer 1

1. String otherString = "helen" + character;

2. otherString +=  character;