Cropdata Technology Interview Questions and Answers

Q1. Professional qualifications
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Q2. Work experience
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Basics of coding like febbonaci , palindrome , stack pop push operation

Q1. Framework knowledge, database knowledge questions
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Q2. All ddl dml query, view , stored procedure, trigger query, pk, fk , composite, unique key difference, framework annotations, ioc , dependcy injection, design patterns, hibernate mappings
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Given an assignment to do with some MCQ questions.

Q1. Ask core concept of Android and Java.
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Q1. Discuss with the HR manager about Roles and Responsibilities.
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They have give machine test. Get response from API and populate the data into recyclerview

Q1. What is Android? What is Android Architecture?
Ans. 
Android is a mobile operating system developed by Google, based on the Linux kernel.
• Android is open-source and allows developers to create applications using Java programming language.

• It consists of four layers: Linux kernel, libraries, application framework, and applications.

• Android Architecture follows a client-server model with various components like Activity Manager, Content Providers, etc.

• Examples of Android devi...read more
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Q2. Difference between interface and abstract class
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Interface is a contract that defines the methods a class must implement, while abstract class can have both implemented and abstract methods.
• Interface can only have abstract methods and constants, while abstract class can have both implemented and abstract methods.

• A class can implement multiple interfaces but can only inherit from one abstract class.

• Interfaces are used to achieve multiple inheritance in Java, while abs...read more
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Q3. Difference between serializable and parceble
Ans. 
Serializable is a Java interface used for object serialization, while Parcelable is an Android interface used for passing data between components.
• Serializable is a Java interface, while Parcelable is an Android interface.

• Serializable is slower and uses reflection, while Parcelable is faster and more efficient.

• Serializable is easier to implement, while Parcelable requires more boilerplate code.

• Parcelable is preferred fo...read more
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Q4. Difference between Java and kotlin
Ans. 
Java is a statically typed language with a lot of boilerplate code, while Kotlin is more concise and expressive.
• Java is older and more verbose compared to Kotlin

• Kotlin is fully interoperable with Java code

• Kotlin has features like null safety and extension functions that Java lacks
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Q1. What is family background?
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