Merce Technologies Interview Questions, Process, and Tips

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
Ans. 
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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