How to calculate running time of a java program
Use System.nanoTime(), it returns the current value of the running Java Virtual Machine’s ( Please check JVM internal details ) high-resolution time source in nanoseconds.
Binary Search
Binary search is also known as half-interval search or logarithmic search. It is a searching algorithm used to find the position of an element in the sorted array. The payoff for using a sorted array comes when we use a… Read More!
Linear Search
There are two search algorithms available for finding a target element within a list. One is linear search or sequential search and the other type is binary search. Linear search is very simple to implement and can be used in… Read More!
Singleton pattern purpose, strategy, usage and example
Singleton Pattern is one of the Gangs of Four Design Patterns and comes in Creational Design Patterns that restricts the instantiation of a class and ensures only one object of the class exists in the JVM (java virtual machine) Purpose… Read More!
Abstract Classes in Java
An abstract class is a class that is declared abstract—it may or may not include abstract methods. Abstract classes cannot be instantiated, but they can be subclassed. Why to make a class if you can’t make objects out of it? Because no one… Read More!