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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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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What is the purpose of using a record type in Java SE 17?
Anonymous Quiz
26%
To create immutable data transfer objects
19%
To encapsulate data and behavior
22%
To simplify the creation of POJO (Plain Old Java Object) classes
33%
All of the above
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In Java, what is the purpose of the sealed modifier when applied to a class or interface?
Anonymous Quiz
35%
It restricts access to the class or interface
29%
It allows multiple inheritance
31%
It limits which classes or interfaces can extend or implement it
6%
It enforces immutability
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Which data structure is used for implementing recursion?
Anonymous Quiz
35%
stack
27%
queue
27%
array
11%
list
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which data structure can be used to check if a syntax has balanced paranthesis ?
Anonymous Quiz
37%
stack
25%
queue
19%
list
19%
array
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