Java function for arrays like PHP's join()? Ask Question

Java function for arrays like PHP's join()? Ask Question

I want to join a String[] with a glue string. Is there a function for this?

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Starting from Java8 it is possible to use String.join().

String.join(", ", new String[]{"Hello", "World", "!"})

Generates:

Hello, World, !

Otherwise, Apache Commons Lang has a StringUtils class which has a join function which will join arrays together to make a String.

For example:

StringUtils.join(new String[] {"Hello", "World", "!"}, ", ")

Generates the following String:

Hello, World, !

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