Here are 7 rules to remember regarding Java Generics to understand Generics and handle interview and coding questions on Core Java. Object <– Fruit <– (Orange, Mango, etc siblings) Rule 1: Java generics differ from C++ templates. Java generics (at least until JDK 8), … Read more ›...
Java-success.com
Java & Big Data job interview & career companion. Industrial strength know-hows via 800+ Q&As. Fast-track & go places by learning a few Q&As each day on the go.
- Home
- About
- Java
- 100+ Free Java Interview Q&As
- 300+ Java Interview FAQs 🔥
- 150+ Java Architect FAQs
- 150+ Spring & Hibernate Interview FAQs
- 100+ Java coding Q&As
- 100+ Java Code Quality FAQs
- Course: 300+ Core Java Interview Q&As
- Course: 300+ Enterprise Java Interview Q&As
- Course: 300+ Java Architect Interview Q&As
- Course: Self-taught Java Projects
- Big Data
- Techs
- Companion - SQL Interview Q&As 🔥
- Companion - Unix interview Q&As 🔥
- Companion - Git interview Q&As 🔥
- Companion - JavaScript Q&As 🔥
- Companion - JMeter interview Q&As
- Companion - Networking
- Companion - NoSQL Interview Q&As 🔥
- Companion - JSON interview Q&As
- Companion - Regex Interview Q&As 🔥
- Companion - Domain Knowledge Q&As
- Companion - Maven interview Q&As
- Companion - XML Interview Q&As
- Companion - XSD Interview Q&As
- Companion - YAML interview Q&As
- Key Areas
- Key Area - Going places
- Key Area - Ice Breaker
- Key Area - Judging Experience
- Key Area - Debugging
- Key Area - Design Concepts
- Key Area - Design Patterns
- Key Area - Best Practices
- Key Area - CI/CD & DevOps
- Key Area - Concurrency Mgmt
- Key Area - Exception Handling
- Key Area - Low Latency
- Key Area - Memory Mgmt
- Key Area - Performance
- Key Area - Productivity Tools
- Key Area - QoS & SLAs
- Key Area - Scalability
- Key Area - SDLC
- Key Area - Security
- Key Area - Transaction Mgmt
- Career
- Membership
Blog Archives
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 in Java generics. In the interest of backward compatibility, robustness of generics has been sacrificed through type erasure. Type erasure takes place at compile-time. … Read more ›...
Members Only Content
Login Register 100+ Free Java interview FAQs 100+ Free Big Data interview FAQs04: 5 Java generics Interview Q&As on wildcards with examples
Q1. If java.lang.Object is the super type for java.lang.Number and, Number is the super type for java.lang.Integer, am I correct in saying that List<Object> is the super type for List<number> and, … Read more ›...
Members Only Content
Login Register 100+ Free Java interview FAQs 100+ Free Big Data interview FAQs05: Overloaded methods Vs Generic methods in Java with JD-GUI & javap to look under the covers
In an earlier post we looked at Understanding Overriding, Hiding, and Overloading in Java?. We also discussed how “method overriding” gives polymorphism. In this post, let’s see how a “generic method” can replace a number of overloaded methods. Then see under the hood as to what happens to the compiled...
Members Only Content
Login Register 100+ Free Java interview FAQs 100+ Free Big Data interview FAQsJava Generics in no time “? extends” & “? super” explained with a diagram
Generics in Java can be be a bit tricky to get your head around. Hope the explanation below enhances your understanding of generics. This complements 5 Java generics interview Q&As with examples.
Plain old List, List <Object>, and List<?>
The plain old List: is a heterogeneous mixture or a mixed bag that contains elements of all types,
…
800+ Java Interview Q&As
300+ Big Data Interview Q&As
Java & Big Data Tutorials
Fast-track & go places
Answers are detailed to be useful beyond job interviews as a career companion with lots of code, diagrams, scenarios, examples & career tips. This will empower you to open more doors without feeling stagnated. Prepare to earn more by empoweting yourself to choose from multiple job offers. You could even explore contracting.
Don't be overwhelmed by the number of questions & answers. Nobody knows everything, but quality of the answers you give to some of the key & frequently asked questions will go a long way in getting you multiple job offers.
Reviews
Don't be overwhelmed by the number of questions & answers. Nobody knows everything, but quality of the answers you give to some of the key & frequently asked questions will go a long way in getting you multiple job offers.
Disclaimer
The contents in this Java-Success are copyrighted and from EmpoweringTech pty ltd. The EmpoweringTech pty ltd has the right to correct or enhance the current content without any prior notice. These are general advice only, and one needs to take his/her own circumstances into consideration. The EmpoweringTech pty ltd will not be held liable for any damages caused or alleged to be caused either directly or indirectly by these materials and resources. Any trademarked names or labels used in this blog remain the property of their respective trademark owners. Links to external sites do not imply endorsement of the linked-to sites. Privacy Policy
© 2023
Java-success.com
Responsive WordPress Theme
powered by
CyberChimps
Top