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I was interviewed in Apr 2021.
Round duration - 60 minutes
Round difficulty - Easy
Technical round with questions on Java and Basic programming concepts.
Static variables and methods belong to the class rather than instances of the class.
Static variables are shared among all instances of a class.
Static methods can be called without creating an instance of the class.
Example: public static int count = 0; public static void incrementCount() { count++; }
For loop is used when the number of iterations is known, while While loop is used when the condition is true.
For loop is used when the number of iterations is known beforehand.
While loop is used when the condition is true.
For loop has initialization, condition, and increment/decrement in one line.
While loop only has a condition to check before each iteration.
Example: for(int i=0; i<5; i++) { //code }
Example: int i =
A do-while loop is a control flow statement that executes a block of code at least once, and then repeatedly as long as a specified condition is true.
The code block is executed first before checking the condition.
The condition is checked after the code block is executed, and if it is true, the code block is executed again.
The loop continues until the condition becomes false.
Example: do { System.out.println('Hello'); }
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
I applied via Walk-in and was interviewed in Apr 2021. There was 1 interview round.
Code to print 'Hello World' in Java
Create a class with a main method
Use System.out.println() to print 'Hello World'
Static variables and methods belong to the class rather than the instance of the class.
Static variables are shared among all instances of the class
Static methods can be called without creating an instance of the class
Static variables and methods are accessed using the class name, not an instance variable
Example: Math.PI is a static variable in the Math class
Example: Math.sqrt() is a static method in the Math class
While loop is used when the number of iterations is unknown, whereas for loop is used when the number of iterations is known.
While loop checks the condition before executing the code block, whereas for loop checks the condition after executing the code block
For loop is more concise and readable when the number of iterations is known
While loop is more flexible and can be used for infinite loops or when the number of ite...
A do while loop is a control flow statement that executes a block of code at least once, and then repeatedly executes the block, or not, depending on a given condition.
The loop body is executed at least once before the condition is checked
The loop continues to execute until the condition becomes false
Syntax: do { // code block } while (condition);
Example: do { System.out.println(i); i++; } while (i < 5);
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HTTP is unsecured protocol while HTTPS is secured protocol using SSL/TLS encryption.
HTTP stands for Hypertext Transfer Protocol, while HTTPS stands for Hypertext Transfer Protocol Secure.
HTTPS uses SSL/TLS encryption to secure the communication between the client and server, while HTTP does not.
HTTPS uses port 443 by default, while HTTP uses port 80.
HTTPS URLs begin with 'https://' and are secured with a padlock icon i...
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Encapsulation, Inheritance, Polymorphism, Abstraction are the 4 pillars of OOPs
Encapsulation: Bundling data and methods that operate on the data into a single unit
Inheritance: Ability of a class to inherit properties and behavior from another class
Polymorphism: Ability to present the same interface for different data types
Abstraction: Hiding the complex implementation details and showing only the necessary features
I applied via Naukri.com and was interviewed in Oct 2022. There were 3 interview rounds.
Java is a popular programming language used for developing various applications. A variable is a named memory location used to store data.
Java is an object-oriented language
It is platform-independent
Variables in Java have a specific data type
Variables can be assigned values and their values can be changed
Example: int age = 25; String name = "John";
Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.
Inheritance allows code reuse and promotes code organization.
There are different types of inheritance: single inheritance, multiple inheritance, multilevel inheritance, and hierarchical inheritance.
Single inheritance involves a class inheriting from a single base class.
Multiple inheritance involves...
Inheritance is acquiring properties of parent class to child class without changing parent class properties. It is classified into 5 types.
Inheritance is a way to reuse code and establish a relationship between classes
The 'extends' keyword is used to implement inheritance in Java
Examples of inheritance include a 'Car' class inheriting properties from a 'Vehicle' class
Single level inheritance involves one parent class a...
May I about you ? Which your qualification and which stream
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Python c java etc more about code
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Handling critical situations requires quick thinking, clear communication, and a calm demeanor.
Assess the situation and prioritize actions
Communicate clearly and effectively with all parties involved
Remain calm and focused
Take decisive action while considering potential consequences
Seek assistance or advice from colleagues or superiors if necessary
I prioritize the problems based on urgency and importance, and then allocate time and resources accordingly.
Assess the urgency and importance of each problem
Create a plan of action for each problem
Allocate time and resources based on the plan
Regularly reassess and adjust the plan as needed
Example: If one problem is a deadline that cannot be missed and the other is a minor issue, prioritize the deadline and allocate mor
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