Synechron Android Interview Questions and Answers

Moderate 60 min logical,quant

Banking future in the india

Q1. About the products dealing with customers
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Q2. Tell me abt yourself
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Q1. Questions on core java concepts
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Q2. Questions on SQL and Springboot
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Q1. Questions on Collection framework.
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Q2. Questions on Springboot and core java
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Q1. Scenario based question
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Q2. Stream API questions
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Q1. Alarm clock based string
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Q2. Palindromic string
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Q3. Array related question
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Q1. Anargrams related ques
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Q2. Java DS interview ques
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Q1. What is regression testing?
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Regression testing is the process of retesting a software application to ensure that new code changes have not adversely affected existing functionality.
• Regression testing is performed after code changes to verify that the existing features still work correctly.

• It helps in identifying any defects introduced by new code changes.

• Automated testing tools are often used for regression testing to save time and effort.

• Regress...read more
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Q2. What is sanity?
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Sanity in software testing refers to a quick round of testing to ensure that the code changes have not adversely affected the existing functionality.
• Sanity testing is a subset of regression testing and is usually performed after a small code change or bug fix.

• It focuses on testing the most critical functionalities of the application to ensure they still work as expected.

• Sanity testing is not exhaustive and is meant to ...read more
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Q1. It was salary discussion
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Q2. It was about relocating
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Q1. Graphql , Web workers vs Service workers
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GraphQL is a query language for APIs, Web workers run scripts in background threads, Service workers are scripts that run in the background and can intercept network requests.
• GraphQL is a query language for APIs that allows clients to request only the data they need.

• Web workers run scripts in background threads separate from the main browser thread, improving performance by handling tasks concurrently.

• Service workers a...read more
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Q1. What is black box testing
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Black box testing is a software testing method where the internal structure/design of the system being tested is not known to the tester.
• Tests are conducted based on the system's specifications and requirements.

• Focus is on the functionality of the system rather than its internal workings.

• Testers do not have access to the source code.

• Examples include equivalence partitioning, boundary value analysis, and error guessing.
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Q2. What is non functional testing
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Non functional testing is testing the aspects of a system that do not relate to specific behaviors or functions.
• Non functional testing focuses on aspects like performance, usability, reliability, scalability, and security.

• It ensures that the system meets the required quality standards in terms of speed, user experience, stability, capacity, and protection against threats.

• Examples include load testing to check performan...read more
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Find the duplicate of letters in a word

Q1. Asked about cloud eco system
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Q2. Asked about java, microservices
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Design architecture related using message queue, interprocess micro service communication

Singleton Pattern with coding example class

Q1. Service lifetime
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Q2. Shared or static class
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