What's the time complexity of finding a key in a hashmap?
Anonymous Quiz
25%
O(1)
35%
O(n)
28%
O(nlogn)
12%
O(logn)
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In a binary tree, what is the maximum number of children a node can have?
Anonymous Quiz
8%
0
15%
1
46%
2
31%
n
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Which feature was introduced in Java 14?
Anonymous Quiz
20%
Records
23%
Switch expressions
28%
local variable type inference
29%
Pattern Matching for instanceof
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Which method is used to fill an array with a specific value in the Arrays class?
Anonymous Quiz
33%
fillArray
27%
setAll
14%
fill
26%
initialize
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Interview questions.pdf
2.8 MB
Interview questions.pdf
Static variable is stored in which of these memory ?
Anonymous Quiz
37%
Heap
41%
Stack
13%
Registers
10%
none of the above
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Which collection class is synchronized in Java?
Anonymous Quiz
44%
ArrayList
23%
LinkedList
19%
Vector
14%
HashSet
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What is the purpose of the equals method in Java?
Anonymous Quiz
56%
Compare two objects for equality
24%
Compare two primitive data types
12%
Concatenate two strings
9%
Declare a variable
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Selenium Full Notes .pdf
10.5 MB
Selenium Full Notes .pdf
C++.pdf
4.9 MB
Learn C++ Quickly
🪆 Learn these for Free 🪆
HTML — https://www.w3schools.com/html
CSS — http://CSS-tricks.com
JavaScript — http://LearnJavaScript.online
Git, GitHub — http://LearnGitBranching.js.org
React — http://React-tutorial.app
API — http://RapidAPI.com/comics
SQL — http://SQLbolt.com
Python --- https://learnpython.org/
PHP --- https://www.udemy.com/course/php-tutorial-for-beginners-j/
HTML — https://www.w3schools.com/html
CSS — http://CSS-tricks.com
JavaScript — http://LearnJavaScript.online
Git, GitHub — http://LearnGitBranching.js.org
React — http://React-tutorial.app
API — http://RapidAPI.com/comics
SQL — http://SQLbolt.com
Python --- https://learnpython.org/
PHP --- https://www.udemy.com/course/php-tutorial-for-beginners-j/
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