How can I split and concat a string while using intermediate result?

Question

Let's san I have a String looks like

a/b/c/d

I need to process some job(MKCOL) for following values in a row.

a
a/b
a/b/c
a/b/c/d

I know I can split and using them concatenating one by one.

Is there any way to do this with stream?

JB Nizet · Accepted Answer · 2015-04-06 07:03:26Z

2

Sure it is:

String s = "a/b/c/d";
String[] array = s.split("/");
for (int i = 1; i <= array.length; i++) {
    String part = Arrays.stream(array).limit(i).collect(Collectors.joining("/"));
    System.out.println(part);
}

answered Apr 6, 2015 at 7:03

JB Nizet

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