Interview Questions and Answers for 'Flatiron health' - 2 question(s) found - Order By Newest Q1. Given the Phone keys mapping between numbers and characters as following
1 - a,b,c
2 - d,e,f
and so on, Write a Program that takes the integer as input and then print all possible combinations of characters matching those integers.
For example - 12 should return
ad,ae,af,bd,be,bf,cd,ce,cf Design
This question was recently asked at 'FlatIron Health'.This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve   Asked in 1 Companies Related Questions Difference between == and .equals() ? Why is String immutable in Java ? Explain the scenerios to choose between String , StringBuilder and StringBuffer ?
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This question was recently asked at 'Flatiron Health'.This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve   Asked in 1 Companies Related Questions Difference between == and .equals() ? Why is String immutable in Java ? Explain the scenerios to choose between String , StringBuilder and StringBuffer ?
or
What is the difference between String , StringBuilder and StringBuffer ? What are the difference between composition and inheritance in Java? Explain OOPs
or
Explain OOPs Principles
or
Explain OOPs Concepts
or
Explain OOPs features
or
Tell me something about OOPs What is a Lambda Expression ? What's its use ? What are different ways to create String Object? Explain. Why Char array is preferred over String for storing password? Does garbage collection guarantee that a program will not run out of memory? What is the difference between final, finally and finalize() ?