Blog Archives
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01: 19 Java 8 Functional Programming FAQs

Good handle on Java OOP concepts and FP concepts are very important NOT only from writing quality code perspective, but also …

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01: 7 rules to remember on Java Generics for better understanding

Here are 7 rules to remember regarding Java Generics to understand Generics and handle interview and coding questions on Core Java.… … Read more ›...

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01: Java data types interview Q&A

Q1. How would you go about choosing the right data types for your application? A1. Java is what is … … Read more ›...

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01: jvisualvm tutorial to sample Java heap memory

Java does not have a sizeof operator like C++ does. Java uses automatic memory management known as the Garbage Collection, hence …

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01: OOP vs FP with Java example – placing a trade

A Trade goes through 3 state changes – placed, filled, and settled. Let’s solve this simple problem using both OOP & …

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02: 10 Java String class interview Q&As

Java Collection interview questions and answers and Java String class interview questions and answers are must know for any Java developer …

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02: 5 Java multithreading scenarios interview

Java interview questions & answers on multithreading scenarios to judge your experience in building applications with concurrency in mind. Q1. Can … … Read more ›...

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02: 9 Java Collection interview Q&As on choosing the right data structure

Java Collection interview Q&As on choosing the right data structure as it is vital to choose the right data structure to …

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02: Java 8 Streams, lambdas, intermediate vs terminal ops, and lazy loading with simple examples

A stream is an infinite sequence of consumable elements (i.e a data structure) for the consumption of an operation or iteration. … … Read more ›...

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02: jvisualvm to detect memory leak – a quick tutorial style Java demo

This is a companion post to 8 Java Memory Management Interview Q&A demonstrating a memory leak scenario step by step with … … Read more ›...

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02: OOP vs FP with Java example – Conversion strategy pattern

Java code to convert given input values from KM to Meter, Meter to Centimetres, etc. OOP approach using the strategy design …… Read more ›...

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03: 12 Java Generics interview Q&As

Q1 What do you understand by the term type erasure with regards to generics? A1. The term type erasure is used … … Read more ›...

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03: 7 Things you must know about Java locks and synchronized key word

7 Things you must know about Java locks and synchronized key word summarizes the key basics. #1. Each Java class and … … Read more ›...

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