BSAIT 1-2 QUIZ

What is a variable in Java?

• A constant value

• A named memory location that can store a value

• A method to execute code

• A type of data structure

Which keyword is used to declare a named constant in Java?

• static

• final

• const

• immutable

What does the main() method signify in a Java program?

• The end of the program

• The starting point for execution

• A method for input

• A method for output

Which of the following is a primitive data type in Java?

• String

• Array

• int

• List

What symbol is used to start a single-line comment in Java?

• /* */

• //

• #

• //* *//

Which of the following is NOT a valid way to declare a variable in Java?

• int a = 5;

• float b = 2.5f;

• char c = 'A';

• string d = "Hello";

Which of the following data types can hold decimal values?

• int

• char

• float

• boolean

Which of the following statements about comments in Java is true?

• Comments are ignored by the compiler

• Comments must be written in uppercase

• Comments can affect the execution of the program

• omments are mandatory in every Java program

What is the correct way to declare a variable of type double in Java?

• double d = 5.0;

• double d = 5;

• double d = "5.0";

• Doublr d = 5.0

What is the correct way to declare a variable of type int in Java?

• int a = 4.5;

• int A = 4.0;

• Int a = 5;

• int a = 7;