We often are stuck at discussion about Objects and their references, it is known fact that unlike C or C++, java doesn’t allows variable access using pointers, well why it does not allows is itself a whole topic which you can read here. Today we will discuss about what all types can be given to …
Tower of Hanoi is a mathematical puzzle game which contains three rods and N number of disks each incrementally different diameters. Initial condition: Initially all disks placed on one rod one above the other in stack manner (largest one is at the bottom and this follows…) Goal: Move all disks from this rod (say rod1) …
The rock paper scissors is a game where through hand formations; the decision of the winner is made. The game works on the following principles: The rock defeats scissors. The scissors defeat the paper. The paper defeats the rocks. If the formation is same from both the side, it is considered a draw. whoever wins …
In this tutorial you will learn about java virtual method or function. Java is a programming language which has never failed to let the programmer marvel in wonder. One such concepts of the java programming language are that of java virtual methods. Unlike other programming languages, java provides for a default support to the java …
In this tutorial you will know about sax vs dom parser in java. Be it java or any language, parsers are the most crucial part of the compilation process on which the efficiency and usability of the language depends to a great extent. However, when it comes to java language, the parsers: SAX and DOM …
SAX vs DOM Parser – Difference between SAX and DOM Parser in Java Read More »
Here you will get program for shell sort in Java. Insertion sort is no doubt an efficient and fast sorting technique to sort a given set of values, but sometimes the insertion sort may be implemented in a comparatively complex manner if some “light” elements are used at the ends. For removing such problems, the …
Here you will learn the difference between abstract class and concrete class in Java. Abstract classes are partially implemented classes. This means that they have some methods which need to be implemented in the derived class. As the object of abstract classes can’t me instantiated, so they just serve the purpose of inheritance. These classes …
Difference between Abstract Class and Concrete Class in Java Read More »
In this tutorial we are going to understand the concept of upcasting and downcasting in Java with example and learn about their use in the modern programming techniques. Upcasting in Java Upcasting basically refers to moving up in the class hierarchy. So what does the last line mean? We are going to understand this using …
