We can reverse a String via characters as well as with words. There are multiple ways to achieve it. Below are the methods to do do the same: converting a string into an array to reverse by characters Splitting String with blank spaces to reverse by words Using the reverse() method from the StringBuffer class …
HashMap is a class that implements the Map interface. A map stores data in the Key-Value pair. HashMap uses the same technique to store values. Class: HashMap Interface: Map Package: java.util We can never lose any data as we are tagging each element with a key in HashMap. On the other hand, while using an …
In LinkedList objects are stored as a node in a List. Each node is divided in three parts: Address of Previous node, Data of the node, Address of Next node. Review features of ArrayList It is a resizable array which increases the array size whenever we add new items in the list. The default size …
LinkedList Class implementation and usage. (Collection-3) Read More »
ArrayList Class implements List Interface. In the last chapter, we have read about all the classes and their features as well as limitations. Now, we will understand all these concepts at the code level. Class: ArrayList Interface: List Package: java.util Key points of ArrayList Stores objects as a list of elements and Any number of elements can …
In general, “array” means an arrangement of similar things in a particular way. On the other hand, we can say the arrays in Java is grouping the things having same features. In Java programming, the array is used to store multiple values in a …
Basic Java – 8 || Lets learn about Arrays in Java. Read More »
Ashok Kumar is working in an IT Company as a QA Consultant. He has started his career as a Test Trainee in manual testing in August 2010. Then he moves towards the automation testing after 4 years. He started learning JAVA and Selenium by self to get the knowledge of automation.
While learning these tools and working on multiple projects, he found that sometimes people get stuck in live scenarios in their project and they have to do lots of RnD to get out of it. So he decided to start blogging only for such scenarios, where anyone facing any problem in their project, can ask any question or give a solution or you can say an alternate solution to achieve the goal successfully.
Later on, he observed that some people want to learn Java but they have few questions in their mind like how to start Java, whether we should go for the online or offline course. So he started writing tutorials on Java, Jira, Selenium, Excel etc.
