Question 1

Which of the following is NOT a relational operator in Java?

		<>
		<=
		==
		>

1 points

Question 2

Which of the following is not alogical operator?

		!
		||
		!=
		&&

1 points

Question 3

Suppose that x is an int variable. Which ofthe following expressions always evaluates to false?

		(x > 0) || (x <= 0)
		(x > 0) || (x == 0)
		(x > 0) && ( x <= 0)
		(x >= 0) && (x == 0)

1 points

Question 4

Which of the following is a relational operator?

		=
		==
		!
		&&

1 points

Question 5

'A' < 'a' && 4 <= 8 || 2.5 >= 7 || 4
Based on the code above, which part of the expression is notevaluated?

		2.5 >= 7
		4 < y
		2.5 >= 7 || 4 < y
		4 <= 8

1 points

Question 6

'A' < 'a' && 4 <= 8 || 2.5 >= 7 || 4
What is the value of the expression above?

		true
		false
		x
		It cannot be determined.

1 points

Question 7

int x, y;

if (x < 4)
y = 2;
else if (x > 4)
{
if (x > 7)
y = 4;
else
y = 6;
}
else
y = 8;

Based on the code above, what is the value of y if x= 5?

		2
		4
		6
		8

1 points

Question 8

What is the output of the following Java code?

int x = 0;
if (x > 0)
System.out.println("positive ");
System.out.println("zero ");
System.out.println("negative");

		zero
		negative
		zero negative
		positive zero negative

1 points

Question 9

If str1 is “Hello” and str2 is “Hi”,which of the following could not be a resultof str1.compareTo(str2);?

		-9
		-5
		-1
		1

1 points

Question 10

int x, y;

if (x < 4)
y = 2;
else if (x > 4)
{
if (x > 7)
y = 4;
else
y = 6;
}
else
y = 8;

Based on the code above, what is the value of y if x= 9?

		2
		4
		6
		8

1 points

Question 11

switch (lastInitial)
{
case 'A':
System.out.println("section 1");
break;
case 'B':
System.out.println("section 2");
break;
case 'C':
System.out.println("section 3");
break;
case 'D':
System.out.println("section 4");
break;
default:
System.out.println("section 5");
}

Based on the code above, what is the output if lastInitial= 'C'?

		section 1
		section 2
		section 3
		section 5

1 points

Question 12

Which of the following will cause a syntax error, if you aretrying to compare x to 5?

		if (x == 5)
		if (x = 5)
		if (x <= 5)
		if (x >= 5)

1 points

Question 13

int x, y;

if (x < 4)
y = 2;
else if (x > 4)
{
if (x > 7)
y = 4;
else
y = 6;
}
else
y = 8;

Based on the code above, what is the value of y if x= 1?

		2
		4
		6
		8

1 points

Question 14

What is the output of the following Java code?

int x = 57;
int y = 3;

switch (x % 9)
{
case 0:
case 1:
y++;
case 2:
y = y - 2;
break;
case 3:
y = y + 2;
case 4:
break;
case 5:
case 6:
y = y + 3;
}

System.out.println(y);

		2
		5
		6
		57

1 points

Question 15

What does >= mean?

		less than
		greater than
		less than or equal to
		greater than or equal to

1 points

Question 16

The conditional operator ?: takes ____ arguments.

		two
		three
		four
		five

1 points

Question 17

switch (lastInitial)
{
case 'A':
System.out.println("section 1");
break;
case 'B':
System.out.println("section 2");
break;
case 'C':
System.out.println("section 3");
break;
case 'D':
System.out.println("section 4");
break;
default:
System.out.println("section 5");
}

Based on the code above, what is the output if lastInitial= 'E'?

		section 2
		section 3
		section 4
		section 5

1 points

Question 18

Which of the following has the highest value?

		'-'
		'5'
		'H'
		'b'

1 points

Question 19

After the execution of the following code, what will be thevalue of num if the input values are 0 3? (Assumethat console is a Scanner object initialized tothe standard input device.)

int num = console.nextInt();

if (num > 0)
num = num + 13;
else
if (num >= 3)

num = num + 15;

		0
		3
		13
		15

1 points

Question 20

int x;
x = (1 <= 3 && 'K' >= 'F') ? 5 :12

Based on the code above, what is the value of x?

		1
		3
		5
		12

Answer rating: 100% (QA)

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