Question 1

What is the result of the following expression?
Double d = 2.5 + 4 * -1.5 - (2.5 + 4)  * -1.5;

Accepted Answer

A)   24.375
B)   6.25
C)   12.375
D)   6E) A) and B)
F) All of the above

Question 2

Which of the following options defines an integer variable?

Accepted Answer

A)   char age;
B)   integer age;
C)   int age;
D)   age: int;E) B) and C)
F) A) and C)

Question 3

Assuming that the user enters 45 and 62 as inputs for n1 and n2, respectively, what is the output of the following code snippet?
Public static void main(String[] args) 
{
System.out.print("Enter a number: ") ;
Scanner in = new Scanner(System.in) ;
String n1 = in.next() ;
System.out.print("Enter another number: ") ;
String n2 = in.next() ;
String result = n1 + n2;
System.out.print(result) ;
}

Accepted Answer

A)   46
B)   4662
C)   107
D)   4562E) A) and B)
F) A) and C)

Exam 2: Fundamental Data Types

Which of the following options defines an integer variable?

Correct Answer
verified

Correct Answer
verified

What is the result of the following expression? Double d = 2.5 + 4 * -1.5 - (2.5 + 4) * -1.5;

Correct Answer
verified

Exam 2: Fundamental Data Types

Which of the following options defines an integer variable?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

What is the result of the following expression? Double d = 2.5 + 4 * -1.5 - (2.5 + 4) * -1.5;

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified