Target Intern Interview Questions and Answers

Mostly on js basics. Event loop, hoisting, GraphQL

Q1. How to implement Cadence algorithm
Ans. 
Cadence algorithm is used for real-time stream processing of data.
• Cadence is a distributed system for managing workflows.

• It uses a programming model called the Cadence Workflow Model.

• The Cadence server is responsible for managing the state of workflows.

• The Cadence client is responsible for executing the workflow tasks.

• Cadence provides a lot of features like retries, timeouts, and error handling.
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Q2. How does vdom works in react
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Group discussion

Java coding test. Really basic

Q1. Javascript questions
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Q1. Project related questions
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Q1. Immutable Class, Remove duplicates from string using java 8
Ans. 
Immutable class, remove duplicates from string using Java 8
• Create an immutable class to represent the string

• Use Java 8 streams to remove duplicates from the string

• Convert the string to a character array, use distinct() and collect() to remove duplicates
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Q2. Sealed classes in java
Ans. 
Sealed classes in Java restrict inheritance to a predefined set of subclasses.
• Sealed classes were introduced in Java 15 to restrict inheritance to a predefined set of subclasses.

• Subclasses of a sealed class must be declared in the same file as the sealed class.

• Sealed classes are declared using the 'sealed' modifier before the 'class' keyword.

• Example: sealed class Shape permits Circle, Square, Triangle;
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Q1. Fallout Mechanism between the microservices
Ans. 
Fallout mechanism between microservices refers to how failures in one microservice can impact other microservices.
• Fallout can occur due to cascading failures when one microservice depends on another.

• Implementing circuit breakers can help prevent fallout by isolating failures.

• Monitoring and alerting systems are crucial for detecting and responding to fallout.

• Using asynchronous communication can reduce the impact of fall...read more
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