CPSC 250 Fundamental Java

Question 1

<p>1 + 2</p>

Answer 1

<p>3</p>

Question 2

<p>1 / 2</p>

Answer 2

<p>0</p>

Question 3

<p>1 / 2.0</p>

Answer 3

<p>0.5</p>

Question 4

<p>1 + "2"</p>

Answer 4

<p>"12" (String)</p>

Question 5

<p>1 + 7 - 9 * 2</p>

Answer 5

<p>-10</p>

Question 6

<p>What is operator precedence for: () ++ + -- - * / %</p>

Answer 6

<p>First:() Second:++ -- (prefix before/postfix after) + - Third: * / % For Ties: First-parsed=First Evaluated</p>

Question 7

<p>What is % ?</p>

Answer 7

<p>Modulus: gives the remainder for division</p>

Question 8

<p>1 + 2</p>

Answer 8

<p>3</p>

Question 9

<p>1.0 + 2.0</p>

Answer 9

<p>3.0</p>

Question 10

<p>1.0 / 2.0</p>

Answer 10

<p>0.5</p>

Question 11

<p>1.0 / 2</p>

Answer 11

<p>0.5</p>

Question 12

<p>1 / 2.0</p>

Answer 12

<p>0.5</p>

Question 13

<p>"1" + 2</p>

Answer 13

<p>"12" (String)</p>

Question 14

<p>1 + "2"</p>

Answer 14

<p>"12" (String)</p>

Question 15

<p>1 + 2 + "3"</p>

Answer 15

<p>"33" (String)</p>

Question 16

<p>7 / 2 + 10 % 4</p>

Answer 16

<p>5</p>

Question 17

<p>1 + 7 - 9 * 2</p>

Answer 17

<p>-10</p>

Question 18

<p>10 % 3 + 4 * 8</p>

Answer 18

<p>33</p>

Question 19

<p>4 - 1 / 2 * -3</p>

Answer 19

<p>4</p>

Question 20

<p>4 - 1 / 2 * -3</p>

Answer 20

<p>4</p>

Question 21

<p>6 % 7 + 8 - 9</p>

Answer 21

<p>5</p>

Question 22

<p>6.5 % 2.5</p>

Answer 22

<p>1.5</p>

Question 23

<p>6.5 % 2.5</p>

Answer 23

<p>1.5</p>

Question 24

<p>int a = 2; int b = 4; a++ * ++b</p>

Answer 24

<p>10</p>

Question 25

<p>1 / 2</p>

Answer 25

<p>0</p>