How can I concatenate two arrays in Java?

Question

I need to concatenate two String arrays in Java.

void f(String[] first, String[] second) {
    String[] both = ???
}

What is t

Answer 1

Another way with Java8 using Stream

  public String[] concatString(String[] a, String[] b){ 
    Stream streamA = Arrays.stream(a);
    Stream streamB = Arrays.stream(b);
    return Stream.concat(streamA, streamB).toArray(String[]::new); 
  }