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Technical Lead Java Interview Questions

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595 technical lead java interview questions shared by candidates

Overall exp., technologies worked upon, versions, duration Hashcode vs equals, contract b/w both by java Save employee object in hashmap when hashcode returns 1 and equals always “true” , and make e1,e2,e3 as key or employee.id as key, size of hashmap will be? Method overriding Class lock, method lock Can we take lock on object of class when class level lock is already acquired Executer apis in java How to restrict add method on list Diff scopes in spring Are controllers threadsafe How to make the same threadsafe Runnable vs callable Aggregation and composition Hibernate caching Session vs session factory Comparable vs comparator
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Technical Lead - Java

Interviewed at Iris Software

3.8★
May 30, 2019

Overall exp., technologies worked upon, versions, duration Hashcode vs equals, contract b/w both by java Save employee object in hashmap when hashcode returns 1 and equals always “true” , and make e1,e2,e3 as key or employee.id as key, size of hashmap will be? Method overriding Class lock, method lock Can we take lock on object of class when class level lock is already acquired Executer apis in java How to restrict add method on list Diff scopes in spring Are controllers threadsafe How to make the same threadsafe Runnable vs callable Aggregation and composition Hibernate caching Session vs session factory Comparable vs comparator

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