How can I split by the last point of a String?

Question

I know I can split strings like this

String myString = "foo.bar";    
List<String> strings = Arrays.asList(myString.split("."));

But my String looks like 20151221.1051.Test.01.properties, it can have any number of dots, and I want to remove the .properties at the end (only by the last dot).

Answer 1

Use myString.lastIndexOf(".") to get the index of the last dot.

For example, if you are sure that your input String contains at least one dot :

String name = myString.substring(0,myString.lastIndexOf("."));