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915 product developer interview questions shared by candidates

Difference between comparable & comparator? Why do we have comparator? Write Singleton class? Write without use of synchronization but must be thread safe Write multithreaded code for producer & consumer What is difference between for, for each & iterator? Write java collection hierarchy? When concurrent modification exception will be thrown? Difference between hash map & hash table? Difference between equals & compare methods of String? Explain current project, questions on current project, different ways to implement solution that you implemented in your current project Design patterns used in your projects OSGi
avatar

Senior Product Developer

Interviewed at BMC Software

4★
Aug 31, 2015

Difference between comparable & comparator? Why do we have comparator? Write Singleton class? Write without use of synchronization but must be thread safe Write multithreaded code for producer & consumer What is difference between for, for each & iterator? Write java collection hierarchy? When concurrent modification exception will be thrown? Difference between hash map & hash table? Difference between equals & compare methods of String? Explain current project, questions on current project, different ways to implement solution that you implemented in your current project Design patterns used in your projects OSGi

1. Implement stack 2. Implement array list 3. Exception Handling 4. Reverse a number or string program 5. Java script form submission 6. Why did u choose particular framework for project 7. REST APIs implementation 8. Star pattern printing programs 9. JavaScript jquery bit basics Whatever you have mentioned in the CV they will atleast make sure that you are not bluffing and will ask some questions on each point you mentioned.
avatar

Product Developer

Interviewed at BMC Software

4★
Oct 23, 2016

1. Implement stack 2. Implement array list 3. Exception Handling 4. Reverse a number or string program 5. Java script form submission 6. Why did u choose particular framework for project 7. REST APIs implementation 8. Star pattern printing programs 9. JavaScript jquery bit basics Whatever you have mentioned in the CV they will atleast make sure that you are not bluffing and will ask some questions on each point you mentioned.

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