Delivery Module Lead

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Delivery Module Lead Interview Questions and Answers

Updated 20 Feb 2025

Q1. What are streams. What is java8 features.

Ans.

Streams are a new feature in Java 8 that allow for efficient processing of collections.

  • Streams are a sequence of elements that can be processed in parallel or sequentially.

  • They can be created from collections, arrays, or other sources.

  • Operations can be performed on streams such as filtering, mapping, and reducing.

  • Streams can improve performance by allowing for lazy evaluation and short-circuiting.

  • Java 8 also introduced lambda expressions and method references to work with str...read more

Q2. Derivatives, Difference between bug and defect

Ans.

Bug and defect are terms used interchangeably in software testing.

  • Bug and defect refer to the same thing in software testing.

  • A bug/defect is an error or flaw in a software application.

  • Bug is a more commonly used term, while defect is more formal.

  • Bug is often associated with functional issues, while defect can refer to any type of issue.

  • Bug/defect can cause the software to behave unexpectedly or not as intended.

  • Examples: a button not working, incorrect calculation, system cras...read more

Q3. Explain what is isolation levels

Ans.

Isolation levels in databases determine how transactions interact with each other.

  • Isolation levels define the degree to which one transaction must be isolated from other transactions.

  • There are different levels of isolation such as Read Uncommitted, Read Committed, Repeatable Read, Serializable.

  • Higher isolation levels provide more data consistency but can also lead to more performance overhead.

  • Isolation levels help in preventing issues like dirty reads, non-repeatable reads, a...read more

Q4. Annotations used in springboot

Ans.

Annotations in Spring Boot are used to provide metadata about the application and its components.

  • Annotations are used to configure the Spring application context, define beans, and enable various features.

  • Examples of annotations in Spring Boot include @SpringBootApplication, @RestController, @Autowired, @Component, @RequestMapping, etc.

Delivery Module Lead Jobs

Delivery Module Lead 5-8 years
Mphasis Limited
3.4
Bangalore / Bengaluru
Delivery Module Lead 5-8 years
Mphasis Limited
3.4
Bangalore / Bengaluru
Delivery Module Lead 2-5 years
E-Solutions IT Services Pvt Ltd
0.0
Uttar pradesh
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