Question 1 of 25
Hints left: 3
Q1
In Java, which collection is used to store key-value pairs?
Q2
Which command is used in Git to fetch and merge changes from the remote repository?
Q3
What does the keyword this refer to in object-oriented programming?
Q4
What is the default port for HTTP?
Q5
Which data structure operates on a first-in, first-out basis?
Q6
Which language is primarily used for developing Android applications?
Q7
What is the full form of API?
Q8
What is the time complexity of binary search?
Q9
What is recursion in programming?
Q10
In JavaScript, how do you declare a constant?
Q11
In Java, which keyword is used to inherit a class?
Q12
In Java, which of the following is not a primitive data type?
Q13
In Python, which method is used to add an element to a list?
Q14
In CSS, which property is used to set the font size of an element?
Q15
Which keyword in Java is used to declare a constant variable?
Q16
What is the use of the super keyword in Java?
Q17
In Python, what is the output of [1, 2, 3] + [4, 5]?
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C
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D
Q18
In SQL, which function is used to find the average value of a column?
Q19
What does ORM stand for in databases?
Q20
Which method is used to remove the last element from an array in JavaScript?
Q21
In OOP, which concept allows an object to take many forms?
Q22
Which is the primary language for Android app development?
Q23
What is the output of print(2**3) in Python?
Q24
What is the purpose of a constructor in Java?
Q25
Which keyword is used to inherit a class in Java?