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Question : Determine giving string has all Unique Characters. Without Using additional data structures. Solution : Convert String to Char Array Sort Char Array Compare… Read More »Determine if a string has all Unique Characters
Inserting new node in linked list can do 3 ways. At the start of the Linked list In the middle of the Linked list At… Read More »Inserting a new node in a linked list data structure
Java ternary operator is the only conditional operator that takes three operands. Java ternary operator is a one-liner replacement for the if-then-else statements. Syntax condition… Read More »Conditional (Ternary) Operator example – Basic java
How to Find Length of Linked List data structure? Linked list A linked list is a linear data structure where each element is a separate… Read More »Find Length of a Linked List data structure (Iterative and Recursive)
Kotlin vs Java syntax In this article, you will find Kotlin vs java code syntax. Kotlin is a newly launched language and every wants to know… Read More »Kotlin vs Java or From Java To Kotlin Part 1
Sometimes while working with double and floats, we need to round them to specific decimal points for calculation. For example, stores round final price to… Read More »How to round double or float values to 2 decimal points
Reverse the sentence is top of the technical interview question in the IT companies. This question generally for 1-3 years experiences java or android developers. … Read More »Reverse the sentence
These are the most common questions asking now a day to Android, Java developers, and technical interviews. There are several different ways to Reverse a… Read More »How to reverse string in java example
How to read text from the console is very important to Java developers know. It’s a very basic coding of core java. There are many… Read More »Read Text from console in Java
9 key interfaces of collection framework: 1. Collection Interface : If we want to represent a group of individual objects as a single entity then… Read More »Interfaces of collection framework