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Fusion Informatics
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I applied via Company Website and was interviewed in Oct 2021. There were 3 interview rounds.
MVVM architecture separates the UI, business logic, and data layers, while the activity lifecycle manages the state of an Android app.
MVVM stands for Model-View-ViewModel, where the View is the UI, ViewModel contains business logic, and Model represents data.
Activity lifecycle includes methods like onCreate, onStart, onResume, onPause, onStop, onDestroy, etc.
MVVM architecture helps in separating concerns, making code m...
Test cases ensure software quality. They should be comprehensive, clear, and repeatable.
Identify test scenarios and objectives
Create test cases with clear steps and expected results
Ensure test cases cover all functional and non-functional requirements
Execute test cases and report any defects found
Update test cases as needed based on changes to the software
HTTP is unsecured while HTTPS is secured with SSL/TLS encryption.
HTTP stands for Hypertext Transfer Protocol while HTTPS stands for Hypertext Transfer Protocol Secure.
HTTP operates on port 80 while HTTPS operates on port 443.
HTTP is vulnerable to attacks while HTTPS is secure due to SSL/TLS encryption.
HTTPS is used for secure online transactions such as online banking, e-commerce, etc.
Smoke testing is a quick and shallow test to check if the basic functionalities of the application are working. Sanity testing is a more thorough test to check if the major functionalities of the application are working after changes have been made.
Smoke testing is done to check if the application is stable enough for further testing.
Sanity testing is done to check if the changes made to the application have not affect...
Integration testing checks if different modules work together, Black box testing checks functionality without knowing code, Regression testing checks if changes affect existing functionality.
Integration testing verifies if different modules work together as expected
Black box testing checks functionality without knowing the code
Regression testing checks if changes affect existing functionality
Integration testing is done...
Retesting is testing the same functionality again after fixing the defects while regression testing is testing the entire system after making changes to ensure that the changes did not affect the existing functionality.
Retesting is done to ensure that the defects reported earlier have been fixed.
Regression testing is done to ensure that the changes made to the system did not affect the existing functionality.
Retesting ...
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I applied via Naukri.com and was interviewed in Sep 2020. There were 3 interview rounds.
The HashMap class is used to represent key-value pairs in Java.
HashMap is a part of the Java Collections Framework.
It allows null values and only one null key.
It provides constant-time performance for basic operations like get and put.
Example: HashMap<String, Integer> map = new HashMap<>();
Abstraction is the process of simplifying complex systems by focusing on essential details and hiding unnecessary complexities.
Abstraction allows us to create models or representations of real-world objects or systems in software.
It helps in managing complexity by breaking down a system into smaller, more manageable parts.
Abstraction provides a level of indirection, allowing changes to be made in one part of the system...
try-catch is used in Java to handle exceptions and prevent program crashes.
try-catch blocks are used to catch and handle exceptions that may occur during program execution.
It allows the program to gracefully handle errors and prevent the program from crashing.
The try block contains the code that may throw an exception, and the catch block handles the exception.
Multiple catch blocks can be used to handle different types...
The statement to use for selecting based on integer inputs is the 'switch' statement.
The 'switch' statement allows for multiple cases to be evaluated based on the value of an integer input.
Each case represents a possible value of the input, and the corresponding code block is executed if the value matches.
The 'switch' statement also provides a 'default' case which is executed if none of the cases match the input value.
...
I applied via Campus Placement and was interviewed in Oct 2020. There was 1 interview round.
I appeared for an interview before Jun 2016.
I appeared for an interview before Aug 2016.
I applied via Company Website and was interviewed before Dec 2019. There were 3 interview rounds.
For loop is used for iterating over a range of values while for each loop is used for iterating over elements of an array.
For loop is used when the number of iterations is known beforehand.
For each loop is used when the number of iterations is not known beforehand.
For loop can be used with any iterable object.
For each loop can only be used with arrays and other iterable objects.
For loop uses an index variable to access...
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