Top 50 basics Interview Questions
The most frequently asked basics questions across all roles and companies, ranked by real interview frequency. Updated daily.
Reverse a singly linked list iteratively and recursively.
1X Technologies AS
ERM
Inland Family of CompaniesReverse a string and determine whether it reads identically forward and backward.
Anonymous
Philips
MetLifeUse a hash table to count the frequency of each character in a string, including spaces and special characters.
Cashfree
ServiceNow
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Demonstrate inheritance by implementing shared vehicle behavior and subclass-specific movement responses.
Ford Motor
City National Bank
Fort Worth StaffingReturn the correct definition for each object-oriented programming principle from a list of examples.
State FarmFFarm Family
Robert SlackReverse the characters in a string using a loop without built-in reversal functions.
Peloton interactiveAAmdocs
DeloitteCompute the smaller angle between clock hands using math, while handling boundary and normalization edge cases.
Rivian
Dow Jones
HeadspaceExplain what a static variable is and how it behaves across function calls.
General Dynamics Mission Systems