Apr 1, 2010 · You can always write it like this . String[] errorSoon = {"Hello","World"}; For (int x=0;x<errorSoon.length;x++) // in this way u create a for loop that would like display the …

Or myString = null;, if it initially is null, or myString = "";, if you want to initialize to a null (empty) string. (But all class and instance variables are initialized to null implicitly, so myString = null; is …

Nov 17, 2013 · Java can't guarantee that car will ever become initialized. You don't have a guaranteed case (else) in your if statement that assigns car. Initialize it to some value, such as …

Jun 29, 2011 · I am searching for the shortest way (in code) to initialize list of strings and array of strings, i.e. list/array containing "s1", "s2", "s3" string elements.

Nov 15, 2012 · List<String> supplierNames1 = new ArrayList<String>(); List<String> supplierNames2 = new LinkedList<String>(); List<String> supplierNames3 = new …

That's just not allowed in Java. I think the reason is it's an easy way for Java to prevent you from making a mistake. It forces you to acknowledge that you haven't set monthString to anything …

With Java 8 or less. You can use static block to initialize a map with some values. Example : public static Map<String,String> test = new HashMap<String, String> static { …

Jan 11, 2010 · There is a shorthand that I use that is not very time efficient, but fits on a single line: Set<String> h = new HashSet<>(Arrays.asList("a", "b"));

Oct 31, 2013 · Java will set all primitives to their default values, and all reference types (including java.String) to null. I believe it is better to mention that's only true for member variables. For …

Nov 26, 2009 · This creates a List containing length-times Strings with charToFill and then joining the List into a String. String s = String.join("", Collections.nCopies(length, …