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Johnson Controls
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I applied via Referral and was interviewed before Apr 2023. There were 3 interview rounds.
What people are saying about Johnson Controls
posted on 22 Mar 2015
I applied via Naukri.com and was interviewed before Jun 2019. There were 3 interview rounds.
Implement stack data structure
Use an array or linked list to store elements
Push operation adds element to top of stack
Pop operation removes element from top of stack
Peek operation returns top element without removing it
Global variables are accessible from any part of the program and can be modified by any function.
Global variables are declared outside of any function.
They can be accessed and modified by any function in the program.
If a function modifies the value of a global variable, the new value is visible to all other functions.
Global variables can be useful for sharing data between functions.
However, overuse of global variables
Program to transpose a matrix
Iterate through rows and columns of the matrix
Swap the elements at (i,j) and (j,i) positions
Return the transposed matrix
Pre and post fix operators are used to increment or decrement a value before or after it is used in an expression.
Pre-fix operator (++x) increments the value of x and returns the new value.
Post-fix operator (x++) returns the value of x and then increments it.
Both operators can be used with variables of numeric data types.
They can also be used with pointers to increment or decrement the memory address they point to.
I applied via Naukri.com and was interviewed before May 2020. There were 5 interview rounds.
I applied via Walk-in and was interviewed before Sep 2020. There were 5 interview rounds.
I applied via Recruitment Consultant and was interviewed in Apr 2021. There were 8 interview rounds.
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