java Programming Glossary: toarray

http://stackoverflow.com/questions/11007723/combining-raw-types-and-generic-methods

JDK 1.7 ArrayList String a new ArrayList String String s a.toArray new String 0 However if I declare the List reference as a raw.. as a raw type ArrayList a new ArrayList String s a.toArray new String 0 I get a compiler error saying the String is required.. receiving a String as its argument. I doubled checked the toArray myArray method signature T T toArray T a Therefore it is a parameterized..

.toArray(new MyClass[0]) or .toArray(new MyClass[myList.size()])?

http://stackoverflow.com/questions/174093/toarraynew-myclass0-or-toarraynew-myclassmylist-size

new MyClass 0 or .toArray new MyClass myList.size Assuming.. new MyClass 0 or .toArray new MyClass myList.size Assuming I have an ArrayList ArrayList.. an ArrayList ArrayList MyClass myList And I want to call toArray is there a performance reason to use MyClass arr myList.toArray..

How to effectively copy an array in java?

http://stackoverflow.com/questions/2589741/how-to-effectively-copy-an-array-in-java

to effectively copy an array in java The toArray method in ArrayList Bloch uses both System.arraycopy and Arrays.copyOf.. and Arrays.copyOf to copy an array . public T T toArray T a if a.length size Make a new array of a's runtime type but..

Bounding generics with 'super' keyword

http://stackoverflow.com/questions/2800369/bounding-generics-with-super-keyword

For example in the Collection interface why is the toArray method not written like this interface Collection T S super.. not written like this interface Collection T S super T S toArray S a java generics language design super share improve this.. it can therefore be used as an argument to S super T S toArray S a if such bound is legal at compile time and it wouldn't prevent..

Error: Generic Array Creation

http://stackoverflow.com/questions/3865946/error-generic-array-creation

list is already a java.util.List you should use one of its toArray methods instead of duplicating them in your code. This doesn't..

Quick Java question: Casting an array of Objects into an array of my intended class

http://stackoverflow.com/questions/395030/quick-java-question-casting-an-array-of-objects-into-an-array-of-my-intended-cl

public DataObject getDataObjects return DataObject Data.toArray ...and what makes this the way that DOES work public DataObject.. public DataObject getDataObjects return DataObject Data.toArray new DataObject Data.size I'm not clear on the mechanism at work.. casting object share improve this question Because toArray creates an array of Object and you can't make Object into DataObject..

Convert ArrayList containing Strings to an array of Strings in Java?

http://stackoverflow.com/questions/4042434/convert-arraylist-containing-strings-to-an-array-of-strings-in-java

this question List String list .. String array list.toArray new String list.size The toArray method without passing any.. list .. String array list.toArray new String list.size The toArray method without passing any argument returns Object . So you..

Combine multiple Collections into a single logical Collection?

http://stackoverflow.com/questions/4896662/combine-multiple-collections-into-a-single-logical-collection

items ct coll.size return ct @Override public Object toArray throw new UnsupportedOperationException @Override public T.. new UnsupportedOperationException @Override public T T toArray T a throw new UnsupportedOperationException @Override public..

Difference between List, List<?>, List<T>, List<E>, and List<Object>

http://stackoverflow.com/questions/6231973/difference-between-list-list-listt-liste-and-listobject

syntax. I saw something like this and it works public T T toArray T a return a Please explain this for me please Sometimes I see..