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5,296 senior developer java interview questions shared by candidates

Elevator Algorithm in which there are many floors and many lifts used to work. give a very optimal solution for so that waiting time will be less as much as possible. which design pattern will be used in this case. Other questions are related to profile.
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Senior Java Developer

Interviewed at PayPal

3.5★
Aug 3, 2016

Elevator Algorithm in which there are many floors and many lifts used to work. give a very optimal solution for so that waiting time will be less as much as possible. which design pattern will be used in this case. Other questions are related to profile.

I have been asked number of questions related with my previous experience, data structures in a context of Java Collections Framework, Java concurrency, algorithms, DB performance and optimization, troubleshooting techniques.
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Senior Java Developer

Interviewed at Grid Dynamics

3.7★
May 5, 2017

I have been asked number of questions related with my previous experience, data structures in a context of Java Collections Framework, Java concurrency, algorithms, DB performance and optimization, troubleshooting techniques.

Which of the following statements are not correct? (Select one) If an import statement is present, it must appear before any class or interface definitions. A Java file without any class or interface definitions can also be compiled. A Java program must have a package statement. A package statement if present must be the first statement of the program. An empty file is not a valid source file.
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Senior Java Developer

Interviewed at Grid Dynamics

3.7★
May 15, 2015

Which of the following statements are not correct? (Select one) If an import statement is present, it must appear before any class or interface definitions. A Java file without any class or interface definitions can also be compiled. A Java program must have a package statement. A package statement if present must be the first statement of the program. An empty file is not a valid source file.

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