sharedoc

If you are an aspiring java developer it is very important for you to have a strong knowledge of these core concepts before you appear for an interview through the medium of this article i will share the top 50 java collections interview questions and answers that. Java collection interview genera…

The object class is beneficial if you want to refer any object whose type you don t know. Let s take an example there is getobject method that returns an object but it can be of any type like employee student etc we can use object class reference to refer that object. Chapter 02 Classes Objects …

The queue interface present in the java util package and extends the collection interface is used to hold the elements about to be processed in fifo first in first out order. Similar in kind to the restrictions placed upon the stack implementation the queue only allows mutation via two methods. …

The object class is beneficial if you want to refer any object whose type you don t know. The hierarchy of classes in java has one root class called instance variable and methods are inherited down through the levels. Inheritance The Java Tutorials Learning The Java Language In case a class is …

For the high level users the rules of data organization do not make any difference in its usages. A trie also known as a digital tree and sometimes even radix tree or prefix tree as they can be searched by prefixes is an ordered tree structure which takes advantage of the keys that it. Tree Impl…