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02: 15 key considerations for low latency Java

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 employers like candidates who can not only build systems that perform well, but also can stress test (e.g. … Read...

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12 Java design patterns interview Q&As

Java Design Patterns Interview Questions Links: Why do Proxy, Decorator, Adapter, Bridge, and Facade design patterns look very similar? What are the differences? | Builder pattern and immutability in Java | Flyweight pattern and improve memory usage & performance | Java ExecutorService with strategy design pattern | Java dynamic proxy...

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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 calls to authenticate the user. Once the user is authenticated, a HTTP header “SM_USER” is added with the authenticated user...

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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 is accountable for ensuring that the team delivers value to the business. The Product owner writes typically the user stories,...

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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 improper Garbage Collection (GC) configuration. … Read more ›...

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