Extends Writing low latency applications in Java interview Q&As. If the job description says “low latency” application, then be prepared. Even if “low latency” experience is not a requirement, all…
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Home › Java & Big Data Interview Q&As › ➡ Java interview › 300+ Java Interview FAQs › Archive for Java FAQs – 15: Key Areas
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12 Java design patterns interview Q&As
Q1. Why use design patterns? A1. 1) Capture design experience from the past: E.g. Facade and value object patterns evolved from performance problems experienced due to multiple remote calls. 2)…
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15 Security key area interview Q&A for Java developers
Q1. Can you provide a high level overview of the “access control security” in a recent application you had worked? A1. As shown below, SiteMinder is configured to intercept the…
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18 Agile Development interview Q&A for Java developers
Q1. What are the typical roles and responsibilities of an agile core team? A1. The Product Owner represents the stakeholders and is the voice of the customer. He or she…
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4 FAQ Performance tuning in Java interview Q&As
Q1. In your experience, what are some of the major causes of performance bottlenecks in Java applications? A1. Cause #1: The JVM spends more time performing garbage collection due to…
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4 JEE Design Patterns Interview Q&As
Unlike J2EE, Java EE 6 consists of annotated classes without any dependencies on the platform. This approach eliminates the need to separate business logic from the infrastructure and makes the…
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5 Java concurrency management interview Q&As
Concurrency is very important in any modern system, and this is one topic many software engineers struggle to have a good grasp. The complexity in concurrency programming stems from the…
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6 Scaling your Java applications interview Q&As
Q1. What is the difference between performance and scalability? A1. The performance and scalability are two different things. For example, if you are in the business of transporting people in…
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8 Java memory management interview Q&As
Q1. Are memory leaks possible in Java, which has memory management via automatic Garbage Collection? A1. Memory and resource leaks are possible in any robust application. In managed languages such…
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9 Java Transaction Management Interview Q&As
Q1. What is a Transaction? A1. A transaction is a set of operations that should be completed as a unit. If one operation fails then all the other operations fail…
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