Java Reference
In-Depth Information
Suppose that
score
is an
int
variable. Consider the following
if
statements:
if
(score >= 90);
System.out.println("Discount = 10%");
a.
What is the output if the value of
score
is
95
? Justify your answer.
b.
What is the output if the value of
score
is
85
? Justify your answer.
14.
Suppose that
score
is an
int
variable. Consider the following
if
statements:
15.
if
(score == 70)
System.out.println("Grade is C.");
i.
if
(score = 70)
System.out.println("Grade is C.");
ii.
Answer the following questions:
a.
What is the output in (i) and (ii) if the value of
score
is
70
? What is the
value of
score
after the
if
statement executes?
b.
What is the output in (i) and (ii) if the value of
score
is
80
? What is the
value of
score
after the
if
statement executes?
16.
Rewrite the following expressions using the conditional operator. (Assume
that all variables are declared properly.)
a.
if
(x >= y)
z = x - y;
else
z = y - x;
b.
if
(hours >= 40.0)
wages = 40 * 7.50 + 1.5 * 7.5 * (hours - 40);
else
wages
ΒΌ
hours * 7.50;
c.
if
(score >= 60)
str = "Pass";
else
str = "Fail";
17.
Rewrite the following expressions using an
if
...
else
statement. (Assume
that all variables are declared properly.)
(x < 5) ? y = 10 : y = 20;
a.
(fuel >= 10) ? drive = 150 : drive = 30;
b.
(booksBought >= 3) ? discount = 0.15 : discount = 0.0;
c.
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