UST IOS Developer Interview Questions and Answers

Q1. Auto closures and Escaping closures
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Q2. Cardinality and string reverse coding
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Q1. Based on the position
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Q1. About previous experience
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Basic interview on question like aptitude, javascript, typescript and react-native question

Q1. Basic javascript question in second round
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Q2. What is function currying
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Function currying is a technique in functional programming where a function with multiple arguments is transformed into a sequence of nested functions, each taking a single argument.
• Currying allows you to partially apply a function by fixing a number of arguments, which creates a new function.

• It helps in creating reusable functions and improves code readability.

• Example: const add = (a) => (b) => a + b; const add5 = add
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Q3. What is IIEF where we can use it
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IIFE stands for Immediately Invoked Function Expression, used for creating a function that is executed immediately after it is defined.
• IIFE is used to create a private scope for variables to avoid polluting the global scope.

• It is commonly used in React Native development to encapsulate code and prevent naming conflicts.

• Example: (function() { console.log('IIFE executed'); })();
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Q4. Deeply they ask me closure related question how it's working
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Q5. How call call stack and event loop is working
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Call stack is used to keep track of function calls, while event loop manages asynchronous operations in JavaScript.
• Call stack is a data structure that keeps track of function calls in a program.

• When a function is called, it is added to the top of the call stack. When the function completes, it is removed from the stack.

• Event loop is responsible for managing asynchronous operations in JavaScript, ensuring that they are ...read more
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Q1. Project related discussion only
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Q1. Explain MVVM and its pros/cons
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MVVM is a design pattern that separates the UI, business logic, and data layers in an iOS application.
• Model: Represents the data and business logic of the application.

• View: Represents the UI components of the application.

• ViewModel: Acts as a mediator between the Model and View, handling the presentation logic and data binding.

• Pros: Separation of concerns, easier to maintain and test, promotes reusability.

• Cons: Increase...read more
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Q2. Multithreading in swift
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Multithreading in Swift allows for concurrent execution of tasks to improve performance and responsiveness.
• Use Grand Central Dispatch (GCD) for managing concurrent tasks

• Avoid blocking the main thread to prevent UI freezes

• Consider using Operation and OperationQueue for more complex task management
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Q1. Basics of Android
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Q1. Technical implementation
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Q1. Company fit culture test
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The question about prblm solving

Any presentation or pdf to submit it at any topic or else to explain it

The discussion with my team mate

Q1. Basic android questions
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Q2. Services mvvm roomdb and all basic android things
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Q1. Japanese reading and introduce
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Q2. Kanji reading and meaning
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Kanji is a system of Japanese writing using Chinese characters. Each character has a reading and meaning.
• Kanji characters are used in combination with hiragana and katakana to write Japanese.

• There are over 2,000 commonly used kanji characters.

• Each kanji character has at least one reading and one meaning, but some have multiple readings and meanings.

• For example, the kanji character for 'tree' can be read as 'ki' or 'mok
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