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Ingeniero Java Senior Interview Questions

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5,782 ingeniero java senior interview questions shared by candidates

Mostly core Java and SQL. Collections Hierarchy Collections.synchronizedCollection(Collection ) HashMap versus Hashtable Equals and hashCode ArrayList versus vector ArrayList verus LinkedList Treemap versus treeset Iterators Concurrent Hashmap Executor Pool Thread framework. Hashmap internals. Why doesn't hashtable allowe null key? BlockingQueue Reentrant lock Read write lock Deadlock program. How to avoid deadlock Wait, notify program Wait versus sleep,Wait versus yield InteruptedException Illegal monitor exception Exceptions thrown by threads. Why are strings immutable Abstract class versus interace OOPS Overriding versus overloading Exception hierarchy User defined exception Class.forname Reflection Garbage collection. When is it called. PermGen EdenSpace Static Final Comparator, comparable. Array.sort Colelctions.sort Joins SQL functions, like date, char String builder versus String buffer Singleton Factory Abstract factory Observer Composite JSP architecture
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Senior Software Engineer Java

Interviewed at Xoriant

3.9★
May 11, 2018

Mostly core Java and SQL. Collections Hierarchy Collections.synchronizedCollection(Collection ) HashMap versus Hashtable Equals and hashCode ArrayList versus vector ArrayList verus LinkedList Treemap versus treeset Iterators Concurrent Hashmap Executor Pool Thread framework. Hashmap internals. Why doesn't hashtable allowe null key? BlockingQueue Reentrant lock Read write lock Deadlock program. How to avoid deadlock Wait, notify program Wait versus sleep,Wait versus yield InteruptedException Illegal monitor exception Exceptions thrown by threads. Why are strings immutable Abstract class versus interace OOPS Overriding versus overloading Exception hierarchy User defined exception Class.forname Reflection Garbage collection. When is it called. PermGen EdenSpace Static Final Comparator, comparable. Array.sort Colelctions.sort Joins SQL functions, like date, char String builder versus String buffer Singleton Factory Abstract factory Observer Composite JSP architecture

Round 2: Q1 : What is pointcut & jointcut in Spring AOP. Q2 : What are the difference between shallow copy vs deep copy in Java? Q3 : Write an program which demonstrate custom Runtime exception? Q4 : Find employee for each department whose birthday falls on current month? Employee (id, name, dob, dept_id) Department (dept_id, dept_name)
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Senior Java Developer

Interviewed at CrimsonLogic

3.3★
Sep 30, 2020

Round 2: Q1 : What is pointcut & jointcut in Spring AOP. Q2 : What are the difference between shallow copy vs deep copy in Java? Q3 : Write an program which demonstrate custom Runtime exception? Q4 : Find employee for each department whose birthday falls on current month? Employee (id, name, dob, dept_id) Department (dept_id, dept_name)

See below the interview letter & people when reach on Sunday does not seems to be interested to hire people . Only name sake advt going on . The reply from HR is there is crunch of interviewer , now you can make how this company is in India - Bangalore to join with . When interview only people are not intrested to take after keep waiting a candidate for 4 hours . Shame on this company value and ethics , These can never have good brand name and really bad for those wasting time .
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Senior Java Developer

Interviewed at athenahealth

4.1★
Sep 17, 2017

See below the interview letter & people when reach on Sunday does not seems to be interested to hire people . Only name sake advt going on . The reply from HR is there is crunch of interviewer , now you can make how this company is in India - Bangalore to join with . When interview only people are not intrested to take after keep waiting a candidate for 4 hours . Shame on this company value and ethics , These can never have good brand name and really bad for those wasting time .

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