Monday, July 7, 2025

What is Object in Java and Object Oriented Programming? Example Tutorial

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Object in Java Object in Java programming language or any other Object-oriented programming language like C++ is the core of the OOPS c...

Open Closed Design Principle in Java - Benefits and Example

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Great Example of Open Closed Design Principle I am a big fan of design pattern articles and love to read articles on design patterns and...
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How to use Class in Java Programming - Example

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When I first about Class in Java I just thought what is this Class in Java and from that date to now Whenever we talk about java its reall...
11 comments:

What is Inheritance in Java and OOP Tutorial - Example

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Inheritance in Java is an Object oriented or   OOPS concepts , which allows to emulate real world Inheritance behavior, Inheritance allows...
6 comments:

What is polymorphism in Java? Method overloading or overriding?

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What is Polymorphism in Java Polymorphism is an important Object oriented concept and is widely used in Java and other programming lan...
16 comments:

Can we declare a class Static in Java? Top Level and Nested static class Example

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The answer to this question is both Yes and No , depending on whether you are talking about a top-level class or a nested class in Java. Yo...
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Law of Demeter in Java - Principle of least Knowledge - Real life Example

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The Law of Demeter also known as  the principle of least knowledge is a coding principle, which says that a module should not know about th...
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What is interface in Java with Example - Tutorial

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What is an interface in Java? Interface in java is a core part of the Java programming language and one of the ways to achieve abstracti...
23 comments:
Saturday, July 5, 2025

Top 10 Courses to Crack System Design Interview in 2025 - Best of Lot

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Hello guys, if you are preparing for System Design Interviews and looking for best resources then you have come to the right place. Earl...
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4 Steps to Prepare for System Design Interviews in 2025? [The Ultimate Guide]

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Hello guys, if you are preparing for Software Engineer Interviews, or Software developer interview then you may know that how difficult it i...
1 comment:

How to System Design Trade Position Aggregator? [Solution]

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Hello guys, it's been a long since I share d object-oriented design and system design question s in this blog. It was almost...
1 comment:
Friday, July 4, 2025

Review - Is ByteByteGo System Design Interview Course by Alex Xu Really Worth it in 2025?

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Hello guys, if you are preparing for System Design Interview in 2025 then you may have most likely come across names like ByteByteGo, Alex X...
1 comment:
Thursday, July 3, 2025

How to Remove Duplicates from Array without Using Java Collection API? Example

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This is a coding question recently asked to one of my readers in a Java Technical interview on investment bank. The question was to r emove...
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How to find smallest number from int array in Java, Python, JavaScript and Golang? [Solved]

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This is the second part on this array interview question. In the first part, I have showed you how to find the largest element in array , a...
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How to Find Multiple Missing Integers in Given Array of Numbers with Duplicates in Java?

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Hello guys, It's been a long time since I have discussed any  coding  or  algorithm interview questions , so I thought to revisit one o...
18 comments: