What arithmetic operators cannot be used with strings in Python?
Anonymous Quiz
21%
*
9%
+
28%
-
42%
All of above
☃1👍1
Select the valid statement (language: java)
Anonymous Quiz
18%
char[] ch = = new char(5)
47%
char[] ch = new char[5]
23%
char[] ch = new char()
11%
char[] ch = new char[]
✍1👍1
In java, When an array is passed to a method, what does the method receive?
Anonymous Quiz
64%
The reference of the array
18%
A copy of the array
14%
Length of the array
4%
Copy of first element
👍2
Which of the following is not the type of queue?
Anonymous Quiz
14%
Priority queue
13%
Circular queue
27%
Single ended queue
46%
Ordinary queue
👍2
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Which Java keyword is used to create a subclass of a class?
Anonymous Quiz
16%
A) super
57%
B) extends
9%
C) implement
17%
D) subclass
✍5🤷♂2
What is the Java API?
Anonymous Quiz
88%
A) Application Programming Interface
2%
B) American Petroleum Institute
4%
C) Automated Program Integration
6%
D) Advanced Programming Interface
Which collection in Java stores elements in key-value pairs?
Anonymous Quiz
32%
A) ArrayList
18%
B) HashSet
35%
C) HashMap
16%
D) LinkedList
Which of the following access modifiers restricts access to the same package and subclasses in Java?
Anonymous Quiz
13%
A) public
45%
B) private
27%
C) protected
15%
D) default (package-private)
👍2❤🔥1
What is the purpose of the cin object in C++?
Anonymous Quiz
15%
A. It is used to print output to the console.
74%
B. It is used to read input from the console.
8%
C. It is used to perform mathematical calculations.
4%
D. It is used to declare variables.
What SQL statement is used to update data in a database?
Anonymous Quiz
6%
A) SELECT
14%
B) MODIFY
80%
C) UPDATE
1%
D) CHANGE
👍2
In SQL, which keyword is used to retrieve data from two or more tables with a related column?
Anonymous Quiz
66%
A) JOIN
12%
B) CONNECT
15%
C) MERGE
7%
D) COMBINE
👍1
Which SQL clause is used to filter the results of a SELECT statement?
Anonymous Quiz
55%
A) WHERE
18%
B) FROM
21%
C) SELECT
6%
D) HAVING
👍2❤🔥1🤣1
Which SQL command is used to retrieve all the records from a table?
Anonymous Quiz
66%
A) SELECT
24%
B) FETCH
6%
C) LOAD
4%
D) READ
👍5❤🔥1🤷♂1🕊1
What SQL statement is used to insert data into a database?
Anonymous Quiz
8%
A) ADD
85%
B) INSERT
5%
C) UPDATE
2%
D) CREATE
❤5👍4
What SQL statement is used to modify existing data in a database?
Anonymous Quiz
33%
A) ALTER
30%
B) MODIFY
35%
C) UPDATE
1%
D) CHANGE
👍18
Which SQL keyword is used to retrieve only unique values?
Anonymous Quiz
45%
a) DISTINCT
49%
b) UNIQUE
4%
c) DIFFERENT
2%
d) DISTINCTROW
👍4❤3❤🔥2🤷♂1🕊1
What is the purpose of the setTimeout function in JavaScript?
Anonymous Quiz
30%
a) To pause the execution of the script for a specific duration
31%
b) To set an interval for repeatedly executing a function
31%
c) To delay the execution of a function for a specified amount of time
8%
d) To measure the time taken by a function to execute
👍5❤1
What is the purpose of the JSON.stringify() method in JavaScript?
Anonymous Quiz
15%
a) Parse a JSON string
56%
b) Convert a JavaScript object to a JSON string
10%
c) Parse a JSON object
18%
d) Convert a JSON string to a JavaScript object
👍4