public static String charString(final char character, final int quantityOfCharacter) {
 if (quantityOfCharacter <= 0) {
 throw new IllegalArgumentException();
 }

 final char[] arrayContainingQuantityOfCharacter = new char[quantityOfCharacter];

 for (int i = 0; i < quantityOfCharacter; i++) {
 arrayContainingQuantityOfCharacter[i] = character;
 }
 return new (arrayContainingQuantityOfCharacter);
 }