QUESTION $1$

In a mixed$-$type arithmetic calculation involving one operand with a data type of byte and another operand with a data type of char, the operand with the data type char will be promoted to which $($if any$)$ data type:

byte

int

char

double

$10$ points

QUESTION $2$

What is the output of the following code:

int b $=7$;

System.out.println$(++$b$)$;

$8$

$6$

The code above will result in an error.

$7$

$10$ points

QUESTION $3$

What is the output of the following code:

int x $=7$;

int y $=4$;

System.out.println$($x $/$ y$)$;

$1$

$1\mathrm{.}75$

$3$

$10$ points

QUESTION $4$

What is the output of the following code:

double x $=7\mathrm{.}0$;

double y $=0\mathrm{.}0$;

System.out.println$($x $/$ y$)$;

Infinity

This will generate a run$-$time exception and not actually produce any output.

NaN $($Not a Number$)$

$0\mathrm{.}0$

$10$ points

QUESTION $5$

What is the output of the following code:

int x $=9$;

int y $=5$;

double z $=$ x $/$ y;

System.out.println$($z$)$;

$4$

$1\mathrm{.}0$

$1\mathrm{.}8$

$1$

$10$ points

QUESTION $6$

What is the output of the following code:

char c $=\text{'}7\text{'}$;

int x $=14$;

System.out.println$($x $/$ c$)$;

$0$

This code will not compile or will produce an error.

$2$

$2\mathrm{.}0$

$10$ points

QUESTION $7$

What is the output of the following code:

int x $=7$;

int y $=4$;

System.out.println$($x $\%$ y$)$;

$3$

$1$

$175\%$

$1\mathrm{.}75$

$10$ points

QUESTION $8$

What is the output of the following code:

int x $=7$;

int y $=4$;

System.out.println$(($double$)$ x $/$ y$)$;

$1$

$3$

$1\mathrm{.}75$

$\mathrm{.}75$

$10$ points

QUESTION $9$

When using floating$-$point division, dividing by zero $(0)$ results in an exception $($i$.$e$.,$ a runtime error$).$

True

False

$4$ points

QUESTION $10$

An expression is a combination of operators and operands that evaluate to a single value.

True

False

$4$ points

QUESTION $11$

Specifically instructing to compiler to convert the type of variable is known as implicit type casting.

True

False

$4$ points

QUESTION $12$

The modulus $(\%)$ operator will calculate the remainder of division.

True

False

$4$ points

QUESTION $13$

Operators which take only one operand are referred to as binary operators.

True

False

$4$ points

QUESTION $14$

Identify all $($there may be more than one correct answer$)$ of the following code examples that will increase the value of an int variable $($with the identifier x$)$ by $1$:

x $+=1$;

$++$x;

x $=1+$ x;

x $=$ x $+1$;

x$++$;

$10$ points

QUESTION $15$

Which $($select all correct answers$)$ of the following operators has$/$have the least precedence:

$*$

$\%$

$-$

$+$

$=$