An ArrayList in Java is like a magical expanding backpack. Imagine you have a regular backpack…
Tag: Java
Core Java Interview Questions And Answers – For Freshers
Java is a popular programming language used to create a wide range of applications, from mobile…
Finding Maximum and Minimum Elements in an Array in Java
Finding the maximum and minimum elements in an array is a fundamental task in programming. This…
Java Collection Framework in Simple Words
When a group of individual objects acts as a single entity, known as a collection in…
What is a Palindrome Number and 3 Powerful Ways to Solve It in Java?
A palindrome number is a number that remains unchanged even when its digits are reversed. To…
What is Inheritance in Java?
When Inheritance is the topic then code reusability is the king of that topic. Inheritance builds…
What is OOPS in Java?
First, OOPS stands for Object-Oriented Programming Structure, a feature that uses “objects” to design software. Java,…
The Number Line Jumps – HackerRank Solution
Overview of Number Line Jumps In this problem, you have two kangaroos on a number line.…
The Apple and Orange – Java HackerRank Solution
Summary The “Apple and Orange” problem requires you to calculate the landing positions of apples and…
Grading Students – Java HackerRank Solution
Summary The “Grading Students” problem requires you to adjust grades according to specific rounding rules to…