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in Java by (10.2k points)

List<String> ids = new ArrayList<String>();

ids.add("1");

ids.add("2");

ids.add("3");

ids.add("4");

Now i want an output from this list as 1,2,3,4 without explicitly iterating over it.

1 Answer

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by (46.1k points)

On Android use:

android.text.TextUtils.join(",", ids);

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