How to repeat string n times in java?

Suppose you have the string ‘qwe’ and you need to repeat string ‘n’ times. Here’s how to do it: Using java 8 stream api

Using String.format

Let us examine …

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How to convert ‘ArrayList to String array in Java

Using Collection.toArray method First way to convert arraylist is to use built-in for every java collection method toArray(T[] ts) For example:

The toArray()  method without any argument returns Object[].  So you have …

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