Java Basics MP1 Test 3

A variable that holds a decimal number

• String
• boolean
• int
• double

It is a data type used to hold multiple characters, like words and sentences.

• float

• char

• date

• String

What output will be produced by:

System.out.println("Hello");

System.out.print("Karel");

• Hello

  Karel

• HelloKarel

• Hello\nKarel

• Error

What does the code segment output?

• 
• 
• 
• 

What is the value of x after this code runs?

int x = 5;

x = 10;

x = 4;

• 5

• 10

• 4

• true

What will the following code print? int n = 5; n++; n++; n += n; System.out.println(n);

• 12

• 40

• 14

• 18

Refer to the following code segment:

The student wanted the output to be: 1 / 4 = 0.25

Which change to the first line would get the correct answer?

• int myDouble = 1/4;

• double myDouble = (double) 1/4;

• double myDouble = (int) 1/4;

• double myDouble = (int) (1.0/4.0);

What is the result of this expression? 4 + 8 * 3 / 4 + 5 % 2

• 5

• 6

• 12

• 11

What would the value of x be in this expression? int x = a / b / c; Given a = 90, b = 5, c = 4

• 4.5

• 90

• 4

• 72

Given a and b as properly initialized integers, which of the following will result in a correct calculation with a decimal answer?

• a / b

• a % b

• (double) a / b

• (double) (a/b)