/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String arr[] = { "abc" , "def" , "mask😷" } ;
	    Ideone.reverse( arr ) ;
	    System.out.println( Arrays.toString( arr ) ) ;
	}
 
	public static void reverse( String[] array ) {
		Objects.requireNonNull( array , "Received null argument where an array of `String` was expected. Message # b5c03336-4b9e-4735-a054-16e43aac059e.") ;
	    for ( int i = 0 ; i < array.length ; i++ ) {
	    	String s = array[i] ;
	    	Objects.requireNonNull( s , "Received null where a `String` object was expected. Message # 15163a6c-59fe-42df-99b7-07c621341d86.") ;
	        array[i] = new StringBuilder( s ).reverse().toString() ;
	    }
	}
}

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