Quizes-Syntax-Master

What is the correct way to declare and initialize an integer variable in Java?

• int x;
• x = 10;
• x = 10;
• int x = 10;

In Java, what keyword is used to create a subclass of a class?

• extends
• mplements
• super
• subclassOf

Which of the following is not a valid access modifier in Java?

• private
• protected
• default
• friend

In Java, which loop is best suited for iterating over an array or collection?

• for
• while
• do-while
• enhanced for loop

What is the purpose of the "this" keyword in Java?

• It refers to the current class.
• It refers to the superclass.
• It refers to a global instance.
• It refers to the current instance of the class

How do you define a multiline comment in Python?

• /* This is a comment */
• # This is a comment
• '' This is a comment '''
• // This is a comment

Which of the following is not a valid data type in Python?

• int
• char
• float
• list

What is the output of print(3 // 2) in Python?

• 1.0
• 1.5
• 2.0
• 0.5

In Python, which module is used for working with regular expressions?

• math
• datetime
• re
• random

What is the correct way to open a file in Python for reading?

• open("file.txt", "w")
• ) open("file.txt", "r")
• read("file.txt")
• open("file.txt")