java - How to merge contents of an array?

For example, If I have an array

String[] myStringArray = new String[]{"x", "a", "r", "y"};

How do I make a singular string that is "xary"

Answer

String[] myStringArray = new String[]{"x", "a", "r", "y"};
StringBuilder builder = new StringBuilder();
for(String s:myStringArray)

    builder.append(s);

System.out.println(builder );