Questions you may hear when interviewing for a Java developer job.
Joined June 2014
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27 Jun 2014
What are the trade offs between a public constructor and a static factory method?
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19 Jun 2014
What's the difference between StringBuffer and StringBuilder?
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16 Jun 2014
What are the tradeoffs between using Collections.synchronizedList() on an ArrayList and a CopyOnWriteArrayList?
15 Jun 2014
When would you use the stream processing APIs in Java8?
12 Jun 2014
What does calling the intern() method on a string do? When, if ever, would you call it on a string literal?
12 Jun 2014
What's the difference between a CountingSemaphore and a CountDownLatch?
12 Jun 2014
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?
12 Jun 2014
What are the advantages and disadvantages of using lock classes from java.util.concurrent.locks vs. synchronized methods & statements?
12 Jun 2014
What are the differences between Collections.synchronizedMap(...) and ConcurrentHashMap?