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posted on 6 Nov 2015
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.
I applied via Recruitment Consultant and was interviewed before Oct 2020. There were 3 interview rounds.
posted on 24 Jan 2024
What is performance testing?
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
I appeared for an interview in Dec 2022.
I applied via Campus Placement and was interviewed before Apr 2023. There were 2 interview rounds.
Normal apptitude queations were asked in this round
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