Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications. This Java tutorial teaches you how to declare classes, describe attributes via fields ...

Another way to size Java arrays is to provide all of the array elements at the time of initialization: // Size the Java array with a set of known values int[] arraySizeExample = new {0,1,1,2,3,5,8}; ...

Both Arrays.toString(Object[]) and Arrays.deepToString(Object[]) handle null array gracefully, simply returning a String “null”. I tend to use Java Collections far more than I use Java arrays.