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Desarrollador Sr Java Interview Questions

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713,421 desarrollador sr java interview questions shared by candidates

There are many conference room at Amazon, your manager want you to book a conference room for a meeting. The number of people and time is given. Please return a list of rooms which are available at that time and have enough capacity.
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Software Engineer

Interviewed at Amazon

3.5★
Dec 18, 2015

There are many conference room at Amazon, your manager want you to book a conference room for a meeting. The number of people and time is given. Please return a list of rooms which are available at that time and have enough capacity.

String,String buffer,String builder difference. Can u write your own immutable class n how? hashmap implementation and hashcode(),equals() method he asked me to write 2 logical testing programs with reduced complexity( 0,1,1,2,4,5,3,3,1,0,1 traverse once only n get the duplicate number's along with the count). printing pascal triangle duplicate letter from a string with less complexity reversing words of string individually(this is a tree---o/p: siht si a eert)
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JAVA DEVELOPER

Interviewed at Oracle

3.5★
May 25, 2015

String,String buffer,String builder difference. Can u write your own immutable class n how? hashmap implementation and hashcode(),equals() method he asked me to write 2 logical testing programs with reduced complexity( 0,1,1,2,4,5,3,3,1,0,1 traverse once only n get the duplicate number's along with the count). printing pascal triangle duplicate letter from a string with less complexity reversing words of string individually(this is a tree---o/p: siht si a eert)

Varied behavioral questions. Technical focused on oops concepts(explain 4 pillars of OOP with examples). Was asked to write code to print the largest number in an unsorted integer array of infinite size. Although the position was for C#, they were cool about me coding in java.
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Software Engineer

Interviewed at Intel Corporation

3.9★
Jun 19, 2014

Varied behavioral questions. Technical focused on oops concepts(explain 4 pillars of OOP with examples). Was asked to write code to print the largest number in an unsorted integer array of infinite size. Although the position was for C#, they were cool about me coding in java.

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