Which looping construct is illustrated below? for (int i=0; i<5; i++) { System.out.println ("The square of " + i + " is: " + (i*i)); }

A count-controlled quantifiable pre-test loop

An event-driven qualifiable post-test loop

An event-driven qualifiable pre-test loop

A count-controlled quantifiable post-test loop

Which looping construct is illustrated below? int num = 1; char keepSquaring = 'Y'; do { System.out.println ("The square of " + num + " is: " + (num*num) + "\n"); num++; System.out.print("Would you like to square another number? (Y/N): "); keepSquaring = keyboard.nextLine().charAt(0); } while (keepSquaring == 'Y' || keepSquaring == 'y');

Count-Controlled quantifiable Pre-test Loop

Count-Controlled quantifiable Post-Test Loop

Which looping construct is illustrated below? int num = 1; char keepSquaring = 'Y'; while (keepSquaring == 'Y' || keepSquaring == 'y') { System.out.println ("The square of " + num + " is: " + (num*num) + "\n"); num++; System.out.print("Would you like to square another number? (Y/N): "); keepSquaring = keyboard.nextLine().charAt(0); }

Count-Controlled quantifiable Pre-Test Loop

Count-Controlled quantifiable Post-Test Loop

What is wrong with the following loop? int num = 1; char keepSquaring = 'Y'; while (keepSquaring == 'Y' || keepSquaring == 'y') { System.out.println ("The square of " + num + " is: " + (num*num) + "\n"); num++; }

It is missing an update statement, so the loop is infinite.

It is missing a sentinel value, so there is no way to test a normal exit from the loop.

It is missing a priming statement, so the loop is never entered.

What is wrong with the following loop? for (int i=0; i>5; i++) { System.out.println ("The square of " + i + " is: " + (i*i) + "\n"); }

This loop will never execute the loop body because the counter variable starts at 0 and immediately fails the test of >5.

This is an infinite loop because i can never get to be greater than 5.

This statement is missing the incrementation statement.

What is wrong with the following loop? for (int i=10; i>0; i++) { System.out.println ("The square of " + i + " is: " + (i*i) + "\n"); }

It creates an infinite loop because i will never be less than or equal to 0.

This uses the for loop for an indeterminate looping statement.

This loop can never execute the loop body because the value of i is too high.

What is wrong with the following looping structure? for (int i=0; i<5; i++) { System.out.println ("The square of " + i + " is: " + (i*i) + "\n"); }

It has no incrementation or decrementation statement

It is missing a priming statement

What is wrong with the following looping structure? int num = 1; char keepSquaring = 'Y'; do { System.out.println ("The square of " + num + " is: " + (num*num) + "\n"); num++; System.out.print("Would you like to square another number? (Y/N): "); keepSquaring = keyboard.nextLine.charAt(0); } while (keepSquaring == 'Y' || keepSquaring == 'y')

It is missing the semicolon on the while clause.

It is missing the priming statement.

It is missing the update statement.

What is wrong with the following looping structure? int num = 1; do { System.out.println ("The square of " + num + " is: " + (num*num) + "\n"); num++; System.out.print("Would you like to square another number? (Y/N): "); keepSquaring = keyboard.nextLine().charAt(0); } while (keepSquaring == 'Y' || keepSquaring == 'y');

It is missing the priming statement.

It is missing the update statement.

It is missing the semicolon on the while clause.

What is wrong with the following looping structure? int num = 1; char keepSquaring = 'Y'; while (keepSquaring == 'Y' || keepSquaring == 'y'); { System.out.println ("The square of " + num + " is: " + (num*num) + "\n"); num++; System.out.print("Would you like to square another number? (Y/N): "); keepSquaring = keyboard.nextLine().charAt(0); }

It should not have a semicolon on the while clause.

It is missing the priming statement.

It is missing the update statement.

Java method (function/module) definitions can contain which of the following parts in their headers?

An access modifier such as public or private

An optional access specifier called static

Java method definitions require which of the following parts in their headers?

a comma-separated parameter list

Which of the following would be the correct way to call a welcomeBanner method that contains a parameter for the symbol of the border and does not return data?

System.out.println("Calling a method" + welcomeBanner('%') );

Based on the method definition below, what will happen when the following method invoking statement is processed? boolean questionResult = false ; questionResult = isCorrect( 'C' ); public static boolean isCorrect( char answer) { boolean result= false ; switch (answer) { case 'C' : result = true ; break; case 'A' : case 'B' : case 'D' : default : result = false ; } //end switch return result; } //end method isCorrect

the method will return true and false

the method will crash the application

What argument value will cause the following method to return a message stating that an invalid option was chosen and that they have to enter only A, B, C or D? public static boolean isCorrect( char answer) { boolean result= false ; switch (answer) { case 'C' : result = true ; break; case 'A' : case 'B' : case 'D' : default : result = false ; } //end switch return result; } //end method isCorrect

It's not possible to return that message with this method.

Which of the following would be a valid return value for the following method? public static String getMessage() { int answer=0; System .out.print("Enter a Number from 1-5: ") answer = keyboard.nextInt(); switch (answer) { case 1 : return ____________ ; break; case 2 : return ____________ ; break; case 3 : return ____________ ; break; case 4 : return ____________ ; break; case 5 : return ____________ ; break; default : return ____________ ; } //end switch } //end method getMessage

"You chose 5. The squared value of 5 is 25."

What is returned by the following method if the user enters 4? public static String getMessage() { int answer=0; System .out.print("Enter a Number from 1-5: ") answer=keyboard.nextInt(); switch (answer) { case 1 : return "You entered 1. It's a great number, but it's not the lucky guess for you." ; break; case 2 : return "You entered 2. Twice as nice...or doubly wrong? Wanna double down?"; break; case 3 : return "You entered 3. Third time just wasn't a charm for you. More like three strikes...well, you know the rest."; break; case 4 : return "You entered 4. Duck...there's a golf ball coming your way!"; break; case 5 : return "You entered 5. High Five, Dude! You win the prize...whatever that is." ; break; default : return "You don't take direction well, do you? That wasn't 1-5. Wanna try again?"; } //end switch } //end method getMessage

A warning about impending pain headed toward you.

A statement about possible double trouble.

Something the baseball player at bat doesn't want to hear.

A hand-slapping congratulatory message

What is wrong with the following code? getMessage(); public static String getMessage() { int answer=0; System .out.print("Enter a Number from 1-5: ") answer=keyboard.nextInt(); switch (answer) { case 1 : return "You entered 1. It's a great number, but it's not the lucky guess for you." ; break; case 2 : return "You entered 2. Twice as nice...or doubly wrong? Wanna double down?"; break; case 3 : return "You entered 3. Third time just wasn't a charm for you. More like three strikes...well, you know the rest."; break; case 4 : return "You entered 4. Duck...there's a golf ball coming your way!"; break; case 5 : return "You entered 5. High Five, Dude! You win the prize...whatever that is." ; break; default : return "You don't take direction well, do you? That wasn't 1-5. Wanna try again?"; } //end switch } //end method getMessage

The method invoking statement doesn't catch the returned value and do anything with it.

There are too many return statements that conflict with each other.

No input is collected from the user.

Everything is fine with this code.

What is wrong with the following code? int result = getMessage(); public static String getMessage() { int answer=0; System .out.print("Enter a Number from 1-5: ") answer=keyboard.nextInt(); switch (answer) { case 1 : return "You entered 1. It's a great number, but it's not the lucky guess for you." ; break; case 2 : return "You entered 2. Twice as nice...or doubly wrong? Wanna double down?"; break; case 3 : return "You entered 3. Third time just wasn't a charm for you. More like three strikes...well, you know the rest."; break; case 4 : return "You entered 4. Duck...there's a golf ball coming your way!"; break; case 5 : return "You entered 5. High Five, Dude! You win the prize...whatever that is." ; break; default : return "You don't take direction well, do you? That wasn't 1-5. Wanna try again?"; } //end switch } //end method getMessage

There is a type mismatch between the return data and the variable that is catching it.

There are too many return statements that conflict with each other.

The method invoking statement doesn't catch the return data and do anything with it.

Everything is fine with this code.

What is wrong with the following code? String result = getMessage(5); public static String getMessage() { int answer=0; System .out.print("Enter a Number from 1-5: ") answer=keyboard.nextInt(); switch (answer) { case 1 : return "You entered 1. It's a great number, but it's not the lucky guess for you." ; break; case 2 : return "You entered 2. Twice as nice...or doubly wrong? Wanna double down?"; break; case 3 : return "You entered 3. Third time just wasn't a charm for you. More like three strikes...well, you know the rest."; break; case 4 : return "You entered 4. Duck...there's a golf ball coming your way!"; break; case 5 : return "You entered 5. High Five, Dude! You win the prize...whatever that is." ; break; default : return "You don't take direction well, do you? That wasn't 1-5. Wanna try again?"; } //end switch } //end method getMessage

The method doesn't take any parameters, so the method invoking statement is invalid.

Nothing catches the returned data.

There is no method invoking statement.

What is wrong with the following code? String result = getMessage(); public static String getMessage() { int answer=0; System .out.print("Enter a Number from 1-5: ") answer=keyboard.nextInt(); switch (answer) { case 1 : return "You entered 1. It's a great number, but it's not the lucky guess for you." ; break; case 2 : return "You entered 2. Twice as nice...or doubly wrong? Wanna double down?"; break; case 3 : return "You entered 3. Third time just wasn't a charm for you. More like three strikes...well, you know the rest."; break; case 4 : return "You entered 4. Duck...there's a golf ball coming your way!"; break; case 5 : return "You entered 5. High Five, Dude! You win the prize...whatever that is." ; break; default : return "You don't take direction well, do you? That wasn't 1-5. Wanna try again?"; } //end switch } //end method getMessage

Everything is fine with this code.

The method is missing a method invoking statement.

The method is missing a parameter list.

The method doesn't return anything.

An array declaration contains _______________________ after its array name.

a data type and rectangle brackets with a numeric size inside it

An array declaration can optionally omit the new specifier and explicit size setting if it contains a comma-delimited _______________ inside a set of _______________ after the assignment operator, which will imply its size.

initialization list, curly braces

initialization list, parentheses

Which of the following statements outputs the fifth value in the quizzes array?

System.out.println(quizzes[4]);

System.out.println(quizzes[5]);

CMP128 Java Ch. 11-07-05-04 Exam #2 Study Guide Quiz

Authored by Professor Tirrito

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CMP128 Java Ch. 11-07-05-04 Exam #2 Study Guide Quiz

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MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following is true about For Loops?

They are counter-controlled

They iterate a finite number of times

They contain an initialization of a counter variable, a condition test, and a counter accumulation or decrementation.

All of the above

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following is NOT true about While Loops?

They are post-test loops.

They contain a priming statement.

They contain an updating statement.

They are used when you cannot quantify the number of iterations, but some indeterminate qualifier will terminate it.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which construct is best used for event-driven qualifiable pre-test loops?

While Loop

For Loop

Do While Loop

For Next Loop

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which construct is best for event-driven qualifiable post-test loops?

While Loop

For Loop

Do While Loop

For Next Loop

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which construct is best used for counter-controlled finite (quantifiable) loops?

While Loop

For Loop

Do While Loop

None of these

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which type of looping structure is guaranteed to execute at least one time?

While Loop

Do While Loop

For Loop

None of these

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following terms describes a normal terminator for a looping structure

A continue clause

A break clause

A sentinel value

A stop clause

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CMP128 Java Ch. 11-07-05-04 Exam #2 Study Guide Quiz

Which of the following is true about For Loops?

Which of the following is NOT true about While Loops?

Which construct is best used for event-driven qualifiable pre-test loops?

Which construct is best for event-driven qualifiable post-test loops?

Which construct is best used for counter-controlled finite (quantifiable) loops?

Which type of looping structure is guaranteed to execute at least one time?

Which of the following terms describes a normal terminator for a looping structure

Which of the following clauses should not be used in looping structure under normal circumstances?

Which of the following is the incrementation operator?

Which of the following is the decrementation operator?

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