Checkpoint Systems Senior Android Developer Interview Questions, Process, and Tips

Q1. EXPERIENCE BASED QUESTIONS
Add your answer
Q2. BASICS 0F MECHANICAL ENGINEERING
Add your answer

Q1. GENERAL INTRODUCTION
Add your answer
Q2. STRENGTH AND WEAKNESS
Add your answer

Simple leetcode easy problems like- merge two sorted array with duplicate numbers,valid parentheses, two sum,three sum.

Q1. Hr round simple behaviour questions. Tell me something about you self.
Add your answer
Q2. Salary negotiation there.etc
Add your answer

Q1. Basic oops concept
Add your answer

Q1. What is retain , weak, strong, atomic etc in Objective C
Ans. 
Retain, weak, strong, atomic are property attributes in Objective-C for memory management and thread safety.
• Retain: Increases the reference count of an object.

• Weak: Does not increase the reference count, used to avoid retain cycles.

• Strong: Increases the reference count and keeps the object in memory until all references are removed.

• Atomic: Guarantees that the value is always fully retrieved or set in a multi-threaded e
Answered by AI
Add your answer
Q2. ARC in Objective C
Ans. 
ARC (Automatic Reference Counting) is a memory management feature in Objective-C that automatically manages memory for objects.
• ARC automatically inserts retain, release, and autorelease calls at compile time to manage memory.

• It helps prevent memory leaks and makes memory management easier for developers.

• Example: 'NSString *name = [[NSString alloc] initWithString:@"John"];' - ARC will automatically handle memory managem
Answered by AI
Add your answer

Basic questions on maths related parts and analysis skills

Coding questions from various Data Structure parts like linkedList stack queue

Q1. Print the largest string from the given 5 strings
Ans. 
Find the largest string from a given array of 5 strings
• Iterate through the array of strings and compare the length of each string

• Keep track of the largest string found so far

• Return the largest string at the end
Answered by AI
Add your answer
Q2. Check if the required dropdown option is displayed or not
Ans. 
Use Selenium WebDriver to locate the dropdown element and check if the required option is displayed
• Locate the dropdown element using Selenium WebDriver

• Use the Select class to interact with the dropdown

• Verify if the required option is displayed using isSelected() method
Answered by AI
Add your answer