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Senior Developer Java Interview Questions

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5,296 senior developer java interview questions shared by candidates

MCQ programs on Collection, Inheritance, overloading,overriding (passing null in overriding), return value from catch,finally,contructor etc. Programs-1. count char occurrence in string 2. row*Column array, find max sum for row and for column.
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Senior Java Developer

Interviewed at Principal Financial Group

3.8★
Aug 17, 2020

MCQ programs on Collection, Inheritance, overloading,overriding (passing null in overriding), return value from catch,finally,contructor etc. Programs-1. count char occurrence in string 2. row*Column array, find max sum for row and for column.

How do you detect and avoid memory leak in Java ? Can we interchange the @Controller and @Respository annotations in Rest Api ? Difference b/w Controller and RestController? Difference b/w Requestparam and PathVariable ? How can we make our RestApi secure ? What are the features of Java8? Program - Implementation of lambda function. Program - Given an arraylist of random values , provide an arraylist of unique values of original arraylist ? How can we run our test cases in CLI ? How can we ignore a particular testcase ? Explain Microservices Architecture ?
avatar

Senior Java Developer

Interviewed at Accenture

3.7★
Oct 9, 2020

How do you detect and avoid memory leak in Java ? Can we interchange the @Controller and @Respository annotations in Rest Api ? Difference b/w Controller and RestController? Difference b/w Requestparam and PathVariable ? How can we make our RestApi secure ? What are the features of Java8? Program - Implementation of lambda function. Program - Given an arraylist of random values , provide an arraylist of unique values of original arraylist ? How can we run our test cases in CLI ? How can we ignore a particular testcase ? Explain Microservices Architecture ?

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