IBM Consulting Application Developer Interview Questions, Process, and Tips

Q1. Mainly basic of java
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Q2. And springboot microservices design pattern
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Q1. What is lateinit in kotlin
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lateinit is a keyword in Kotlin used to declare a non-null property that is initialized later.
• lateinit is used when we want to delay the initialization of a property

• It can only be used with mutable properties of non-null types

• The property must be initialized before accessing it, otherwise it will throw an exception
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Q2. How to create two screen simultaneously
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To create two screens simultaneously, use a multi-threading approach.
• Use multi-threading to run two separate threads, each responsible for creating and managing a screen.

• Ensure proper synchronization between the threads to avoid conflicts and ensure smooth operation.

• Use appropriate APIs or frameworks provided by the platform or programming language to create and display the screens.

• Example: In Android, you can create t...read more
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Q3. Where are delegates
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Q4. Retrofit vs traditional way
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Retrofit is a modern approach to API integration, providing a more efficient and convenient way compared to traditional methods.
• Retrofit is a type-safe HTTP client for Android and Java applications.

• It simplifies the process of making network requests and handling responses.

• Retrofit uses annotations to define API endpoints and request parameters.

• It automatically converts JSON responses to Java objects using Gson or othe...read more
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Q5. Unit test cases
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Q1. What is a pl sql cursor
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A PL/SQL cursor is a pointer used to fetch and manipulate data from a result set in a database.
• PL/SQL cursor is used to retrieve data row by row from a result set.

• It allows for processing individual rows returned by a query.

• Cursors are used in loops to iterate through the result set.

• Example: DECLARE cursor_name CURSOR FOR SELECT column1, column2 FROM table_name;
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Q1. What do you mean by technical
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Technical refers to knowledge, skills, and expertise in a specific field or domain.
• Technical refers to the practical application of scientific and mathematical knowledge.

• It involves using tools, techniques, and methodologies to solve problems and achieve specific goals.

• Examples of technical skills include programming, software development, data analysis, and network administration.
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Q2. How does correct technical error
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Correcting technical errors involves identifying and resolving issues in software code or system configurations.
• Identify the specific error or bug by analyzing error messages, logs, or user reports.

• Debug the code by using tools like debuggers, logging, or unit tests.

• Fix the error by modifying the code or configuration to resolve the issue.

• Test the corrected code or configuration to ensure the error is resolved.

• Document...read more
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