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I applied via Naukri.com and was interviewed in May 2021. There was 1 interview round.
We are using Java 11 and Spring Boot 2.4.3 in our current project.
Java 11 provides better performance and security features compared to previous versions.
Spring Boot 2.4.3 offers improved support for Kotlin and GraalVM.
We are also using Spring Data JPA for database access and Spring Security for authentication and authorization.
Singleton Design Pattern ensures only one instance of a class exists. No, we cannot create a clone of an object from singleton class.
Singleton pattern restricts the instantiation of a class to one object.
It is used when only one object is required to coordinate actions across the system.
The instance is created only when it is requested for the first time.
The constructor of the singleton class is private.
Clone method is
Joins in SQL are used to combine data from two or more tables based on a related column.
Joins are used to retrieve data from multiple tables in a single query
Types of joins include inner join, left join, right join, and full outer join
Join conditions are specified using the ON keyword and can include multiple conditions
Aliases can be used to simplify the syntax of join queries
Triggers are database objects that automatically execute in response to certain events. Stored procedures are precompiled SQL statements.
Triggers are used to enforce business rules or to audit changes to data.
Stored procedures are used to encapsulate frequently used SQL statements for reuse and to improve performance.
Triggers can be used to update related tables when a record is inserted, updated, or deleted.
Stored pro...
Program to reverse sort keys in HashMap
Create a List from the keySet() of the HashMap
Sort the List in reverse order using Collections.sort()
Iterate through the sorted List and add the keys to a new LinkedHashMap
Return the LinkedHashMap
Maven is a build automation tool used primarily for Java projects. It manages dependencies and builds the project.
Maven is based on the concept of POM (Project Object Model) which describes the project dependencies, build process, and other configurations.
Maven has different cycles such as validate, compile, test, package, verify, install, and deploy.
The validate cycle checks if the project is correct and all necessary...
Springboot annotations are used to simplify the development process and provide additional functionality.
Annotations like @RestController and @RequestMapping are used to create RESTful web services.
@Autowired is used for dependency injection.
@Transactional is used to manage transactions.
@Component is used to mark a class as a Spring component.
@Value is used to inject values from properties files or environment variable...
I appeared for an interview in Dec 2024.
General Knowledge About Company, Maths.
I applied via Naukri.com and was interviewed in Jun 2024. There were 3 interview rounds.
I applied via Walk-in and was interviewed in Aug 2024. There was 1 interview round.
Sterlite Technologies interview questions for popular designations
I applied via Approached by Company and was interviewed in Sep 2024. There was 1 interview round.
There are various types of moulding machines used in operations support, including injection moulding machines, blow moulding machines, and compression moulding machines.
Injection moulding machines are commonly used for producing plastic parts by injecting molten material into a mould.
Blow moulding machines are used to create hollow objects such as bottles by blowing air into a heated plastic tube.
Compression moulding ...
Get interview-ready with Top Sterlite Technologies Interview Questions
I appeared for an interview in Feb 2025, where I was asked the following questions.
Ensure correct preform diameter and cut felt according to SOP for effective sealing during changeover.
Verify the preform diameter using calibrated measuring tools to ensure accuracy.
Refer to the Standard Operating Procedure (SOP) for specific dimensions required for sealing.
Cut the felt material to the specified length and width as outlined in the SOP.
Ensure that the cutting tools are sharp and in good condition to avo...
Ensure proper gas flow and monitor annealing furnace temperature for optimal operation.
Check the gas flow rate using the flow meter to ensure it matches the specifications on the process sheet.
Verify the annealing furnace temperature with calibrated thermocouples to ensure it reaches the required setpoint.
Adjust gas flow if the temperature is not within the specified range to maintain process efficiency.
Regularly inspe...
Efficiently loading and unloading preforms is crucial for smooth furnace operation during changeovers.
Ensure all safety protocols are followed to prevent accidents during loading/unloading.
Use appropriate lifting equipment to handle heavy preforms, such as forklifts or hoists.
Check the condition of preforms before loading to avoid contamination or damage.
Organize preforms in a systematic manner to streamline the loadin...
Selecting preforms based on process type ensures optimal performance and efficiency in furnace operations.
Identify the process type (e.g., melting, casting) to determine suitable preform materials.
Consider the loading capacity of the towers to avoid overloading and ensure even distribution.
Select preforms with compatible melting points for the specific furnace operation.
Example: For a casting process, use preforms that...
BGP (Border Gateway Protocol) is a routing protocol used to exchange routing information between different autonomous systems (AS).
BGP is used to exchange routing information and prefixes between different AS numbers.
BGP helps in determining the best path for data to travel between networks.
BGP operates on TCP port 179.
BGP uses attributes like AS path, next hop, and local preference to make routing decisions.
Example: B...
Product management involves overseeing the development, marketing, and production of a product from start to finish.
Involves identifying market needs and opportunities
Includes developing product strategies and roadmaps
Requires coordinating cross-functional teams such as engineering, marketing, and sales
Involves managing the product lifecycle from concept to end-of-life
Includes analyzing market trends and competition
I applied via Campus Placement and was interviewed in Jul 2024. There was 1 interview round.
Bending moment is a measure of the bending effect on a beam or structural element.
Bending moment is the algebraic sum of moments about the neutral axis of a section of a beam or structural element.
It is caused by external forces acting on the beam, resulting in a bending or flexural deformation.
Bending moment is calculated using the formula: M = F * d, where M is the bending moment, F is the force applied, and d is the...
Strain is the deformation of a material under load, while stress is the force applied to a material per unit area.
Strain is a measure of how much a material deforms under stress.
Stress is the force applied to a material per unit area.
Strain is a dimensionless quantity, while stress is measured in units of force per unit area (such as N/m^2 or Pa).
Strain can be either tensile (stretching) or compressive (squeezing), whi...
Heat treatment is a process used to alter the physical and sometimes chemical properties of a material through heating and cooling.
Heat treatment involves heating a material to a specific temperature, holding it at that temperature for a certain amount of time, and then cooling it at a controlled rate.
The purpose of heat treatment is to improve the material's hardness, strength, toughness, ductility, and other properti...
Structures are rigid bodies that support loads, while links are flexible elements that connect structures.
Structures are typically made of rigid materials like steel or concrete
Links are often made of flexible materials like cables or chains
Structures provide support and stability to a system
Links allow for movement or flexibility within a system
Example: A bridge is a structure that supports loads, while the cables con
I appeared for an interview in Feb 2025, where I was asked the following questions.
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