Question 1

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'?

Accepted Answer

A)  section 1 
B)  section 2 
C)  section 3 
D)  section 5

Question 2

After the execution of the following code, what will be the value of num if the input values are 0 3? (Assume that console is a Scanner object initialized to the standard input device.)int num = console.nextInt();if (num > 0)
Num = num + 13;
Else
If (num >= 3)
Num = num + 15;

Accepted Answer

A)  0 
B)  3 
C)  13 
D)  15

Question 3

Suppose that you have the following code.int num = 10;if (num > 10)
 System.out.println(num);
else
 System.out.println(num + 5);The output of this code is 5.

Accepted Answer

A) True 
 B)False

Question 4

The output of the Java code:int alpha = 5;
int beta = 4;switch (beta)
{
case 2: 
 alpha = alpha + 2;
case 4: 
 alpha = alpha + 4;
 break;
case 6: 
 alpha = alpha + 6;
default: 
 alpha = alpha + 10;
}
System.out.print(alpha);is: 9

Accepted Answer

A) True 
 B)False

Question 5

Suppose str1 and str2 are String variables. The expression (str1 == str2) determines whether str1 and str2 point to the same String object.

Accepted Answer

A) True 
 B)False

Question 6

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);

Accepted Answer

A)  2 
B)  5 
C)  6 
D)  57

Question 7

When one control statement is located within another, it is said to be a controlled statement.

Accepted Answer

A) True 
 B)False

Question 8

Suppose that you have the following code:int sum = 0;
Int num = 8;if (num 5)
Sum = num + 15;After this code executes, what is the value of sum?

Accepted Answer

A)  0 
B)  8 
C)  15 
D)  23

Question 9

In Java, case and switch are reserved words, but break is not a reserved word.

Accepted Answer

A) True 
 B)False

Question 10

Suppose that you have the following statements.int score;
String grade;if (score >= 65)
 grade = "pass";
else
 grade = "fail";If score is equal to 75, the value of grade is pass.

Accepted Answer

A) True 
 B)False

Exam 4: Control Structures I: Selection

After the execution of the following code, what will be the value of num if the input values are 0 3? (Assume that console is a Scanner object initialized to the standard input device.) int num = console.nextInt() ;if (num > 0) Num = num + 13; Else If (num >= 3) Num = num + 15;

Suppose that you have the following code.int num = 10;if (num > 10) System.out.println(num); else System.out.println(num + 5);The output of this code is 5.

The output of the Java code:int alpha = 5; int beta = 4;switch (beta) { case 2: alpha = alpha + 2; case 4: alpha = alpha + 4; break; case 6: alpha = alpha + 6; default: alpha = alpha + 10; } System.out.print(alpha);is: 9

Suppose str1 and str2 are String variables. The expression (str1 == str2) determines whether str1 and str2 point to the same String object.

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) ;

When one control statement is located within another, it is said to be a controlled statement.

Suppose that you have the following code:int sum = 0; Int num = 8;if (num 5) Sum = num + 15;After this code executes, what is the value of sum?

In Java, case and switch are reserved words, but break is not a reserved word.

Suppose that you have the following statements.int score; String grade;if (score >= 65) grade = "pass"; else grade = "fail";If score is equal to 75, the value of grade is pass.