How to write program in in Java for appending to a String? How to Append String In Java?
What is the best way to do this?
The best best to append to a string is to use the StringBuilder class. Check the example at Appending String in java.
You can also use the String.concat(String s) method:
String str = "String 1"; str = str.concat(" String 2");
Check the tutorial for performance comparison at Appending Strings - Java Tutorials.