Apple Junior CAD Engineer Interview Questions and Answers

Question was related to dynamic programming. There was only one question and I had solve it within 4 hours. There were 50 test cases. All test cases must pass.

Q1. Basic Java questions and some behavioural questions.
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Q1. Behavioural questions.
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It was 1 coding question with 10 test cases. They asked a question based on binary search. I got 3 hrs to clear that test. I went in as a campus fresher. For lateral joinees, it is a much more difficult question that you have to clear in 4hrs.

Q1. What's the best way to find majority element in an array?
Ans. 
The best way to find the majority element in an array is by using the Boyer-Moore Voting Algorithm.
• Initialize a candidate variable and a count variable.

• Iterate through the array and for each element:

• - If the count is 0, set the current element as the candidate.

• - If the current element is the same as the candidate, increment the count.

• - Otherwise, decrement the count.

• After the iteration, the candidate will be the ...read more
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Q2. Reverse a linked list in K groups.
Ans. 
Reverse a linked list in K groups
• Iterate through the linked list in groups of size K

• Reverse each group of nodes using a temporary pointer

• Connect the reversed groups to form the final reversed linked list
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1. Revere Linked List
2. Maximum water in a container

Q1. 1. ArrayList 2. Types of locaters in Appium 3. D/b UI automator1 and ui Automator 2?
Ans. 
ArrayList is a resizable array implementation in Java. Appium locators include ID, name, class name, xpath, etc. UI Automator 1 and 2 are tools for testing Android apps.
• ArrayList is a dynamic array that can grow or shrink in size. Example: ArrayList list = new ArrayList<>();

• Appium locators include ID, name, class name, xpath, etc. Example: driver.findElement(By.id("elementID"));

• UI Automator 1 is a testing framework for...read more
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1. What is same for you and even for PM of US?