Java Interview Qs @JavaInterviewQs

Questions you may hear when interviewing for a Java developer job. Joined June 2014

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Java Interview Qs @JavaInterviewQs

11 years ago

What are the trade offs between a public constructor and a static factory method?

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Java Interview Qs @JavaInterviewQs

11 years ago

What's the difference between StringBuffer and StringBuilder?

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Java Interview Qs @JavaInterviewQs

11 years ago

How does a generational garbage collector work?

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Java Interview Qs @JavaInterviewQs

11 years ago

What are the tradeoffs between using Collections.synchronizedList() on an ArrayList and a CopyOnWriteArrayList?

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Java Interview Qs @JavaInterviewQs

11 years ago

When would you use the stream processing APIs in Java8?

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Java Interview Qs @JavaInterviewQs

11 years ago

What does calling the intern() method on a string do? When, if ever, would you call it on a string literal?

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Java Interview Qs @JavaInterviewQs

11 years ago

What's the difference between a CountingSemaphore and a CountDownLatch?

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Java Interview Qs @JavaInterviewQs

11 years ago

Required viewing: youtube.com/watch?v=V1vQf4….

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Java Interview Qs @JavaInterviewQs

11 years ago

True or false? Integer a = 3; Integer b = 3; System.out.println(a == b); What if you change 3 to "3" and Integer to String?

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Java Interview Qs @JavaInterviewQs

11 years ago

What are the advantages and disadvantages of using lock classes from java.util.concurrent.locks vs. synchronized methods & statements?

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Java Interview Qs @JavaInterviewQs

11 years ago

What are the differences between Collections.synchronizedMap(...) and ConcurrentHashMap?

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