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A pointer to pointer is a variable that stores the memory address of another pointer variable.
It is used to create dynamic data structures like linked lists and trees.
It allows multiple levels of indirection.
It is denoted by ** in C and C++.
Example: int **ptr;
Example: ptr = &p; where p is a pointer variable.
posted on 2 Jul 2024
Main principles of Java include object-oriented programming, platform independence, and automatic memory management.
Object-oriented programming: Java is based on classes and objects, allowing for encapsulation, inheritance, and polymorphism.
Platform independence: Java code can run on any platform that has a Java Virtual Machine (JVM) installed.
Automatic memory management: Java uses garbage collection to automatically m
The == operator compares the memory addresses of two objects, while the equals method compares the content of two objects.
The == operator is used to compare the memory addresses of two objects in Java.
The equals method is used to compare the content of two objects in Java.
Example: String str1 = new String("hello"); String str2 = new String("hello"); str1 == str2 will return false, but str1.equals(str2) will return true
posted on 12 Sep 2023
I applied via Naukri.com and was interviewed before Sep 2022. There were 3 interview rounds.
Advanced JS, PHP related questions
posted on 24 Oct 2024
I applied via LinkedIn and was interviewed in Dec 2021. There were 2 interview rounds.
Test on js in googleform very simple i can attempt in just 10 min
Write code and explain it
I applied via Internshala and was interviewed in Dec 2021. There were 3 interview rounds.
They mostly ask some basic dsa questions in the automated interview
I applied via LinkedIn and was interviewed in Jun 2022. There were 4 interview rounds.
I applied via eLitmus and was interviewed before Sep 2022. There were 4 interview rounds.
General coding test includes basic DSA, understanding of FE, BE, DB, etc.,
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