There is no reason ever to return null from an array or collection-valued method instead of returning an empty array or collection.
anonymousInnerClass.getSimpleName(); // -> // An empty string // Array of primitives Class<?> primitiveArrayClass = new int[0].getClass(); primitiveArrayClass.getName(); // -> [I primitiveArrayClass.getCanonicalName(); // -> int[] primitiveArrayClass.getSimpleName(); // -> int...
* possible to do so immediately without exceeding the queue's capacity, * returning {@code true} upon success and {@code false} if this queue * is full. This method is generally preferable to method {@link #add}, * which can fail to insert an element only by throwing an exception. *...
Performs a targeting operation, returning an array of "target" objects. java.lang.Object[] target(NameResolver pNameResolver, int pMaxNumber) Performs a targeting operation, returning an array of "target" objects containing at most pMaxNumber elements. java.lang.Object[] target(NameResolver p...
A bounded BlockingQueue blocking queue backed by an array. This queue orders elements FIFO (first-in-first-out). The head of the queue is that element that has been on the queue the longest time. The tail of the queue is that element that has been on the queue the shortest time. New...
Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows: for (ChronoField c : ChronoField.values()) System.out.println(c); Returns: ...
(see WrapperInit), this function is called from an unprivileged uid// and gid.boolean droppedPriviliges=false;if(reuid==ROOT_UID&®id==ROOT_GID){try{Os.setregid(ROOT_GID,UNPRIVILEGED_GID);Os.setreuid(ROOT_UID,UNPRIVILEGED_UID);}catch(ErrnoException ex){thrownewRuntimeException("Failed to ...
Previously Collection.sort copied the elements of the list to sort into an array, sorted that array, then updated list, in place, with those elements in the array, and the default method List.sort deferred to Collection.sort. This was a non-optimal arrangement....
Suppose you have a set of solvers for a certain problem, each returning a value of some typeResult, and would like to run them concurrently, processing the results of each of them that return a non-null value, in some methoduse(Result r). You could write this as: ...
When thecreatemethod of a RIF is invoked it is responsible for returning an instance ofRenderedImage(usually anOpImagesubclass) created for this operation. A similar sequence of events occurs for renderable mode operations usingJAI.createRenderable(). ...