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Activity in Android is a single screen with a user interface. It has a lifecycle that defines its state at any given time.
Activity is a fundamental building block of Android applications
It represents a single screen with a user interface
Activity lifecycle includes methods like onCreate(), onStart(), onResume(), onPause(), onStop(), onDestroy()
Activities can transition between different states based on user interactions
There are three main types of services: business services, consumer services, and public services.
Business services are services provided to other businesses, such as consulting or marketing services.
Consumer services are services provided directly to consumers, such as retail or hospitality services.
Public services are services provided by the government or non-profit organizations, such as healthcare or education ser
To disable screenshot, you can use a combination of hardware and software restrictions.
Use a mobile device management (MDM) solution to restrict screenshot functionality
Implement code in your app to prevent screenshots from being taken
Consider using secure containers or environments to prevent unauthorized access to sensitive information
Types of intent refer to the different categories of intentions that a user may have when interacting with a system.
Informational intent - user seeks information or answers to questions
Transactional intent - user wants to perform a specific action or transaction
Navigational intent - user wants to navigate to a specific page or section
Commercial intent - user is interested in purchasing a product or service
To handle high work pressure, it is important to prioritize tasks, delegate responsibilities, take breaks, communicate effectively, and seek support when needed.
Prioritize tasks based on urgency and importance
Delegate responsibilities to team members to lighten the workload
Take short breaks to recharge and avoid burnout
Communicate effectively with team members and superiors about workload and challenges
Seek support fro...
I appeared for an interview in May 2024.
Mainly sql related questions were asked
Some sql related questions were asked
I applied via Recruitment Consulltant
Coforge Smartserve interview questions for popular designations
I applied via Campus Placement and was interviewed before Sep 2019. There were 5 interview rounds.
OOPs concepts in Java are the fundamental principles of object-oriented programming.
Encapsulation: wrapping data and code into a single unit
Inheritance: creating new classes from existing ones
Polymorphism: using a single interface to represent multiple types
Abstraction: hiding implementation details from the user
Examples: class, object, inheritance, polymorphism, encapsulation
Stack is a LIFO data structure while Queue is a FIFO data structure.
Stack follows Last In First Out (LIFO) principle while Queue follows First In First Out (FIFO) principle.
Stack has two main operations: push and pop while Queue has two main operations: enqueue and dequeue.
Stack is used in recursive function calls, undo/redo operations, and backtracking while Queue is used in breadth-first search, printing tasks in ord...
SQL query to find second highest salary in database
Use ORDER BY and LIMIT to get the second highest salary
Assume ties are allowed and use DISTINCT
Method overloading is having multiple methods with the same name but different parameters. Method overriding is having a method in a subclass with the same name and parameters as a method in its superclass.
Method overloading is done within the same class while method overriding is done in different classes (subclass and superclass).
Method overloading is achieved by changing the number of parameters or the data type of ...
The parent class of all classes in Java is the Object class.
All classes in Java implicitly extend the Object class.
The Object class provides basic methods such as toString(), equals(), and hashCode().
Any class can override these methods to provide custom implementations.
Example: public class MyClass extends Object { ... }
Example: Object obj = new MyClass();
SQL databases are relational and use structured query language, while NoSQL databases are non-relational and use various data models.
SQL databases are based on a fixed schema, while NoSQL databases are schema-less.
SQL databases use tables to store data, while NoSQL databases use various data models like key-value, document, columnar, or graph.
SQL databases are better suited for complex queries and structured data, whil...
I applied via Company Website and was interviewed before Oct 2019. There were 4 interview rounds.
I applied via Recruitment Consulltant and was interviewed before Apr 2021. There were 2 interview rounds.
I applied via Recruitment Consultant and was interviewed before Nov 2020. There were 3 interview rounds.
I applied via Campus Placement and was interviewed before Oct 2020. There were 4 interview rounds.
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