Top 100+ data structures and algorithms interview questions in java,I have been posting data structure and algorithms interview questions on various topics such as Array, Queue, St...

LeetCode 31. Next Permutation, LeetCode in Java (8 Part Series) 1 LeetCode 20. Valid Parentheses 2 LeetCode 7. Reverse Integer ... 4 more parts... 3 LeetCode 281. Move Zeros 4 Leet...

LeetCode 238. Product of Array Except Self, LeetCode in Java (8 Part Series) 1 LeetCode 20. Valid Parentheses 2 LeetCode 7. Reverse Integer ... 4 more parts... 3 LeetCode 281. Move...

Java 8 Optional: A way to avoid NullPointerException,In this post, we will see about Java 8 optional. Did you ever get NullPointerException as Java developer? If you are experience...

How to learn java programming,Java is one of the most used programming languages in the world for developing the desktop application and web application. It has completed 22 years ...

The niche guy writing, Intro I worked with Spring + Java for a while but I changed a lot of jobs in 6 years of development and I was always treated more like 'Jack of all trades ma...

LeetCode 281. Move Zeros, LeetCode in Java (8 Part Series) 1 LeetCode 20. Valid Parentheses 2 LeetCode 7. Reverse Integer ... 4 more parts... 3 LeetCode 281. Move Zeros 4 LeetCode ...

Java math challenge, What should be printed? int result = 0; result = result + (null != null ? 3 : 2); result += (1 & 2) == 1 ? 2 : 3; result += 1e5; result += 1e2; System.out....

The Difference Between Public and Private in Java, Coding Tangents (10 Part Series) 1 Be Careful with Scanner Methods in Java 2 Be Careful with String’s Substring Method in Java ....

Style not remain (including font size, font weight, font color,...) after doing mail merge,I’m working with the Aspose and facing these problems: Style applied on the merge fields...

Generate and Read Barcode in Java,A barcode is a visual, machine-readable representation of data; the data usually describes something about the object that carries the barcode. Ba...

Example Java App running in the Cloud via Kubernetes,Over the last weeks I’ve worked on a new sample application which demonstrates how to build microservices-based architectures....