Persistent Systems Senior Software Engineer 1 Interview Questions and Answers

Q1. Oops concept in java
Ans. 
Oops concept in Java refers to Object-Oriented Programming principles like Inheritance, Encapsulation, Polymorphism, and Abstraction.
• Inheritance allows a class to inherit properties and behavior from another class.

• Encapsulation involves bundling data and methods that operate on the data into a single unit.

• Polymorphism allows objects to be treated as instances of their parent class.

• Abstraction hides the implementation d...read more
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Q2. Same basic questions in spring
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Q1. Basic Java questions
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Q1. Binary search question
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Technical coding coding test

Q1. OOPs spring jsis kss
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Q2. Oo idid jdid sjiss js
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Q1. They usually cover dsa, spring, spring boot
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Swift and objective fundamentals

Reasoning and math with multiple options

Q1. One to one with technical person
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Q1. Common Hr questions related to the organisation, work culture
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Q1. What is pipes in Angular?
Ans. 
Pipes in Angular are used for transforming data in templates.
• Pipes are used to format data before displaying it in the view.

• Angular provides built-in pipes like date, currency, uppercase, lowercase, etc.

• Custom pipes can also be created for specific formatting needs.

• Pipes can be chained together for multiple transformations.

• Example: {{ birthday | date:'MM/dd/yyyy' }} will format the birthday date.
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Q2. What is lazy loading in Angular?
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Lazy loading in Angular is a technique used to load modules only when they are needed, improving performance by reducing initial load time.
• Lazy loading helps in splitting the application into multiple bundles which are loaded on demand.

• It allows for faster initial loading times as only essential modules are loaded upfront.

• Lazy loading is achieved by using the loadChildren property in the route configuration of Angular.

• ...read more
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