By John Zukowski
The Collections Framework is provided with all types of the Java 2 platform and gives programmers with enormously effective how you can manage facts. although, given the big variety of tools and sessions during this library, utilizing them effectively is hardly ever a cakewalk. recognized columnist and bestselling writer John Zukowski offers the Java specialist precisely what she or he must find out about this important library in an effort to maximize productiveness. This useful ebook includes entire insurance of the $64000 Collections Framework from the operating programmer's perspective, whereas staying clear of educational abstractions.
Java Collections leads you thru the traditional Java help for retaining summary teams of knowledge, from the historic assortment sessions on hand because the inception of Java time, during the Collections Framework brought with the Java 2 platform, and directly to third-party replacement libraries for occasions while the traditional help is not sufficient. if you are operating with facts in Java courses, you must comprehend the Collections Framework. enable Zukowski's Java Collections be your advisor!
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Extra info for Java Collections
Adding Elements To add an element to a stack, call the push() method: public Object push(Object element) This adds the element to the top of the stack or to the end of the vector depending upon how you want to look at things. Removing Elements To remove an element from the stack you call the pop() method: public Object pop() This takes the element at the top of the stack, removes it, and returns it. If the stack is empty when called, you will get the runtime EmptyStackException thrown. To avoid getting an EmptyStackException thrown, you should see if the stack is empty before calling pop().
Ensures the capacity of an internal buffer is at least a certain size. Checks for equality with another object. Returns the first element within a vector. Returns an element at a specific position. Returns the computed hash code for a vector. Searches for an element within a vector Inserts an element into the vector. Checks if the vector is empty. Returns an object from the vector that allows all of the vector's elements to be visited. Returns the last element within a vector. Searches from the end of a vector for an element.
Encoding" system property. Summary Arrays in Java seem easy to work with, but there are many things to be aware of to fully utilize their capabilities. While basic array declaration and usage can be considered simple, there are different things to be concerned about when working with arrays of primitives and objects, as well as multidimensional arrays. Array initialization doesn't have to be complicated, but throw in anonymous arrays and things get more involved. Once you have an array, it takes a little thought to figure out how best to work with it.
Java Collections by John Zukowski