Infosys Technology Analyst Interview Questions and Answers for Experienced

I am familiar with a wide range of technologies including programming languages, databases, cloud computing, and cybersecurity.

• Programming languages (e.g. Java, Python, C++)

• Databases (e.g. SQL, MongoDB)

• Cloud computing platforms (e.g. AWS, Azure)

• Cybersecurity tools and practices

• Machine learning and AI technologies

I used Java version X.X.X

• I used Java version X.X.X for the project

• The Java version used was X.X.X

• The project was developed using Java X.X.X

Oops concepts are fundamental to object-oriented programming. They include inheritance, encapsulation, polymorphism, and abstraction.

• Inheritance allows a class to inherit properties and methods from a parent class.

• Encapsulation is the practice of hiding implementation details from the user.

• Polymorphism allows objects to take on multiple forms or behaviors.

• Abstraction is the process of simplifying complex systems b...read more

Search is a specific query for a particular item, while search all is a broader search for all items.

• Search is used to find a specific item or information within a limited scope.

• Search all is used to find all items or information within a broader scope.

• Search is more targeted and precise, while search all is more general and comprehensive.

• For example, searching for a specific product on a website is a search, whil...read more

The @primary annotation is used to mark a primary key in a database table.

• It is used in database design to indicate the primary key of a table

• It is often used in conjunction with other annotations such as @Entity and @Id

• It can be used to specify the name of the primary key column

• Example: @Entity @Table(name = "users") public class User { @Id @GeneratedValue @Column(name = "user_id") private Long id; }

Creating relationships between tables in JPA using entities

• Use annotations such as @ManyToOne, @OneToMany, @OneToOne, and @ManyToMany to define relationships

• Specify the target entity and the mapping column using @JoinColumn

• Use the mappedBy attribute to specify the inverse side of the relationship

• Example: @ManyToOne(targetEntity = Author.class) @JoinColumn(name = "author_id") private Author author;

• Example: @OneToMa...read more