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Drawings lines according to given instructions
The airfoil used in the A380 is the supercritical airfoil.
The supercritical airfoil is designed to delay the onset of wave drag at transonic speeds.
It is commonly used in modern commercial aircraft like the A380 for improved aerodynamic performance.
The supercritical airfoil features a flattened upper surface to reduce drag and increase lift.
It allows the A380 to achieve high cruising speeds efficiently and smoothly.
Fibonacci series code generates a sequence where each number is the sum of the two preceding ones.
Start with two initial numbers, usually 0 and 1
Use a loop to calculate the next number by adding the previous two numbers
Continue the loop until reaching the desired length of the series
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Java program in data structure
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I applied via Campus Placement and was interviewed before Sep 2023. There were 3 interview rounds.
BST formation code in java
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Asked about introduction and then few coding questions
The output of the code will be the sum of the elements in the given array.
The code likely involves iterating through the array and adding up the elements.
Make sure to handle edge cases like empty arrays or arrays with negative numbers.
Example: If the array is [1, 2, 3], the output will be 6.
HashMap is a data structure in Java that stores key-value pairs. ConcurrentHashMap is a thread-safe version of HashMap.
HashMap is not thread-safe, while ConcurrentHashMap is thread-safe.
ConcurrentHashMap allows concurrent read and write operations without the need for external synchronization.
HashMap allows null keys and values, while ConcurrentHashMap does not allow null keys or values.
A min stack is a stack data structure that supports the usual push and pop operations, along with an additional operation to retrieve the minimum element in constant time.
Create a stack to store the elements and another stack to store the minimum values encountered so far.
When pushing an element, check if it is smaller than the current minimum. If so, push it onto the minimum stack.
When popping an element, check if it ...
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Hacker rank 2 Questions to solve
I applied via Naukri.com and was interviewed in Nov 2024. There was 1 interview round.
HashMap is non-synchronized and allows null values, while HashTable is synchronized and does not allow null values.
HashMap is non-synchronized, meaning it is not thread-safe, while HashTable is synchronized and thread-safe.
HashMap allows null values for both keys and values, while HashTable does not allow null keys or values.
HashMap is generally preferred for non-thread-safe applications, while HashTable is used in mul
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