Merce Technologies Interview Questions and Answers

Aptitude was offline on languages like c and c++.

Q1. Java , oops concept will be asked also final year project.
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Q1. Hr questions will be asked.
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Q1. Tell me about yourself?
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Q2. Which technical skill you have?
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Q3. How many year of Work experience?
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Q1. How to call api in angular write the code for this
Ans. 
To call an API in Angular, use HttpClient module to make HTTP requests.
• Import HttpClientModule in app.module.ts

• Inject HttpClient in the component/service where API call needs to be made

• Use HttpClient methods like get(), post(), put(), delete() to make API calls

• Subscribe to the Observable returned by HttpClient methods to handle the response
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Q2. Difference between reactive form and template driven form
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Reactive forms are more flexible and allow for complex form validation and handling, while template driven forms are simpler and rely on directives in the template.
• Reactive forms are defined programmatically in the component class using form controls, form groups, and form arrays.

• Template driven forms are defined in the HTML template using ngModel directive and template variables.

• Reactive forms offer more control over ...read more
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Q3. Write the code for reactive form
Ans. 
Reactive forms in Angular allow for creating and managing forms in a reactive way.
• Import ReactiveFormsModule in app.module.ts

• Create form controls using FormBuilder in component

• Bind form controls to HTML elements using formGroup and formControlName directives

• Handle form submission and validation using formGroup and formControl directives
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Q4. How to id or data pass by routing and go to the another page?
Ans. 
You can pass data through routing by using route parameters or query parameters.
• Use route parameters to pass data directly in the URL, like '/page/:id'

• Access the passed data in the target component using ActivatedRoute

• Use query parameters for passing data in the URL, like '/page?id=123'

• Retrieve query parameters in the target component using ActivatedRoute
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Q5. New features in angular 17?
Ans. 
Angular 17 introduces new features such as improved performance, enhanced tooling, and updated APIs.
• Improved performance with faster rendering and reduced bundle sizes

• Enhanced tooling with better support for debugging and testing

• Updated APIs for more efficient development and easier integration with other libraries
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Q1. Salary discussion and relocate
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Q1. Have you implemented sharing model in your org?
Ans. 
Yes, I have implemented sharing model in my org.
• Implemented sharing rules to restrict access to certain records

• Used role hierarchy to control data visibility

• Leveraged sharing settings to define access levels for different user profiles
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Q2. What is with sharing and without sharing?
Ans. 
With sharing and without sharing are keywords in Salesforce that control the access level of records in Apex classes.
• With sharing enforces sharing rules and record-level access permissions defined in the organization-wide defaults.

• Without sharing ignores sharing rules and record-level access permissions, allowing the code to access all data regardless of the user's permissions.

• Use with sharing when you want to respect ...read more
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Q3. What happens with security enforced?
Ans. 
When security is enforced, access control measures are put in place to protect data and prevent unauthorized access.
• Security policies are implemented to restrict access to sensitive data

• User permissions are defined to control who can view, edit, or delete records

• Data encryption may be used to protect data in transit and at rest

• Audit trails are enabled to track changes and monitor user activity
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Q1. Ga basics and generics
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Q1. Go routines, Channels, wait groups, redis sync
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