Programmer Trainee Interview Questions

712,980 programmer trainee interview questions shared by candidates

Describe oops concept.What you know about collections.3rd highest salary.find only numbers in alphanumeric string,remove space with in word in string.which is the best way to retrieve using hashmap.how to make immutable class,all methods of object class
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Software Engineer

Interviewed at Yodlee

3.6
Apr 3, 2016

Describe oops concept.What you know about collections.3rd highest salary.find only numbers in alphanumeric string,remove space with in word in string.which is the best way to retrieve using hashmap.how to make immutable class,all methods of object class

A rustic village contains one million married couples and no children. Each couple has exactly one child per year. Each couple wants a girl, but also wants to minimize the number of children they have, so they will continue to have children until they have their first girl. Assume that children are equally likely to be born male or female. Let p(t) be the percentage of children that are female at the end of year t. What is p(t)? "Can't tell" is a potential answer if you don't have sufficient information.
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Senior Java Developer

Interviewed at Acuitus

4.4
Apr 6, 2010

A rustic village contains one million married couples and no children. Each couple has exactly one child per year. Each couple wants a girl, but also wants to minimize the number of children they have, so they will continue to have children until they have their first girl. Assume that children are equally likely to be born male or female. Let p(t) be the percentage of children that are female at the end of year t. What is p(t)? "Can't tell" is a potential answer if you don't have sufficient information.

-given a binary tree, and a number in each node. Select the nodes that will maximize the overall sum such that if a node is selected its parent and children cannot be selected. Return the sum of the selected nodes. - The buildings in a a city can be represented in 2D by linear array. Given an array that represents the heights of the buildings such that the value in a specific index in the array indicates the height of the building at that location in the city. How much rain will gather in the city if it rains?
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Software Engineer

Interviewed at Altera

3.4
May 6, 2015

-given a binary tree, and a number in each node. Select the nodes that will maximize the overall sum such that if a node is selected its parent and children cannot be selected. Return the sum of the selected nodes. - The buildings in a a city can be represented in 2D by linear array. Given an array that represents the heights of the buildings such that the value in a specific index in the array indicates the height of the building at that location in the city. How much rain will gather in the city if it rains?

This wasn't incredibly difficult, but one guy asked me to design Facebook (at a high level) and another asked me to design Twitter. I thought these were really cool questions because they tested overall design smarts instead of obscure algorithmic stuff.
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Software Engineer

Interviewed at Zocdoc

3.6
Nov 16, 2014

This wasn't incredibly difficult, but one guy asked me to design Facebook (at a high level) and another asked me to design Twitter. I thought these were really cool questions because they tested overall design smarts instead of obscure algorithmic stuff.

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