Given the following code, which of these if() statements will produce a compile-time error? int value = 12;

All of these are compile-time errors

Given the if() / else if() code outlined below, when will the statements in the body of the "else if()" be run? if () { // body of if() } else if () { // body of else if() }

When logical expression 1 is false and logical expression 2 is true

When both logical expressions are true

When logical expression 1 is true and logical expression 2 is false

When both logical expressions are false

Given the if() / else if() / else code outlined below, when will the statements in the body of the "else" be run? if () { // body of if() } else if () { // body of else if() } else { // body of else }

When both logical expressions are false

When logical expression 1 is false and logical expression 2 is true

When both logical expressions are true

When logical expression 1 is true and logical expression 2 is false

Given the nested if() code outlined below, when will the statements in the body of the inner "if()" be run? if () { if () { // body of inner if() } }

When both logical expressions are true

When logical expression 1 is false and logical expression 2 is true

When both logical expressions are false

When logical expression 1 is true and logical expression 2 is false

Given the code outlined below, how many output lines would be displayed if the program runs? if () { System.out.println("Line A"); return; } else { System.out.println("Line B"); return; } System.out.println("Line C");

It depends on the result of the logical expression

Where is it permissible to add a nested if() statement?

Inside the body of an "if()" block

Inside the body of an "else if()" block

Inside the body of an "else" block

When would you be more likely to use a chain of if() / else if() / else statements instead of a switch()?

When your logic needs to test multiple variables

In a switch() statement, what comes between the "case" keyword and the colon?

A specific number, letter, or quoted-string value

What happens in a switch() statement if you leave out the "break" statement between the first and second cases? switch(value) { case 1: // statements in first case case 2: // statements in second case }

If the first case is a match, the program will flow through from that case and execute the second case body as well

Java will report a compile-time syntax error

The program will only execute the statements in the first case

The program will only execute the statements in the second case

What message will appear on the screen when the following code is run? String sport = "BASKETBALL"; switch (sport) { case "basketball": System.out.println("I love to play hoops"); break; case "baseball": System.out.println("My preferred position is pitcher"); break; case "soccer": System.out.println("I am a goal-scoring machine"); break; default: System.out.println("I've never played that sport"); break; }

My preferred position is pitcher

Java Test-2

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Java Test-2

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Professional Development

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Practice Problem

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Hard

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Used 3+ times

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40 questions

Show all answers

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is the best description of a "relational operator"?

Comparison symbols used in logical expressions

Mathematical symbols used to calculate numeric results

Links that control the relationships between objects

None of these are true

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Given two numbers A and B, which of the following expressions will be true when "A is less than B"?

A < B

A > B

A == B

A != B

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Given two numbers A and B, which of the following expressions will be true when "A is equal to B"?

A != B

A == B

A = B

A.eq(B)

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Given the following code, what will be displayed when the program is run?
int A = 5; int B = 10;
System.out.print(A != B);
System.out.print(" ");
System.out.print(A < B);

true false

false false

true true

false true

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following expressions (A, B, C) is considered a logical expression?
A) 6 + 4
B) (6 + 4) >= 10
C) 4 < 10

A only

B and C only

A, B, and C

C only

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens if you do not follow an if() statement with opening and closing curly braces?

All following statements that are indented to the right are part of the if() body

This is a compile-time syntax error

You must follow immediately with another if() statement

The next statement only is part of the if() body

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the difference between the following three if() statements?
double sodaCost = 2.50;
if (sodaCost > 2.00)
System.out.println("I'll have water instead");
if (sodaCost > 2.00)
System.out.println("I'll have water instead");
if (sodaCost > 2.00)
System.out.println("I'll have water instead");

Only the second one is valid; the other two produce compile-time errors

Impossible to tell without running the program

The second two if() statements are nested inside the first and will only run if the first is true

All three work exactly the same way and produce the same output

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Java Test-2

40 questions

Which of the following is the best description of a "relational operator"?

Given two numbers A and B, which of the following expressions will be true when "A is less than B"?

Given two numbers A and B, which of the following expressions will be true when "A is equal to B"?

Given the following code, what will be displayed when the program is run?
int A = 5; int B = 10;
System.out.print(A != B);
System.out.print(" ");
System.out.print(A < B);

Which of the following expressions (A, B, C) is considered a logical expression?
A) 6 + 4
B) (6 + 4) >= 10
C) 4 < 10

What happens if you do not follow an if() statement with opening and closing curly braces?

What is the difference between the following three if() statements?
double sodaCost = 2.50;
if (sodaCost > 2.00)
System.out.println("I'll have water instead");
if (sodaCost > 2.00)
System.out.println("I'll have water instead");
if (sodaCost > 2.00)
System.out.println("I'll have water instead");

Given the following boolean value, how would you write an if() statement that will execute if that value is true?
boolean run_me = true;

Given the following code, which of these if() statements will produce a compile-time error?
int value = 12;

What will be displayed when the following statements are run?
String pet = "cat";
if (pet.equals("dog")) {
System.out.println("WOOF"); }
if (pet.equals("dog") == false) {
System.out.println("MEOW"); }

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Similar Resources on Wayground

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Java Test-2

40 questions

Which of the following is the best description of a "relational operator"?

Given two numbers A and B, which of the following expressions will be true when "A is less than B"?

Given two numbers A and B, which of the following expressions will be true when "A is equal to B"?

Given the following code, what will be displayed when the program is run?int A = 5; int B = 10;System.out.print(A != B); System.out.print(" "); System.out.print(A < B);

Which of the following expressions (A, B, C) is considered a logical expression? A) 6 + 4 B) (6 + 4) >= 10 C) 4 < 10

What happens if you do not follow an if() statement with opening and closing curly braces?

What is the difference between the following three if() statements? double sodaCost = 2.50;if (sodaCost > 2.00) System.out.println("I'll have water instead"); if (sodaCost > 2.00) System.out.println("I'll have water instead"); if (sodaCost > 2.00) System.out.println("I'll have water instead");

Given the following boolean value, how would you write an if() statement that will execute if that value is true? boolean run_me = true;

Given the following code, which of these if() statements will produce a compile-time error? int value = 12;

What will be displayed when the following statements are run? String pet = "cat"; if (pet.equals("dog")) { System.out.println("WOOF"); } if (pet.equals("dog") == false) { System.out.println("MEOW"); }

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Professional Development

Given the following code, what will be displayed when the program is run?
int A = 5; int B = 10;
System.out.print(A != B);
System.out.print(" ");
System.out.print(A < B);

Which of the following expressions (A, B, C) is considered a logical expression?
A) 6 + 4
B) (6 + 4) >= 10
C) 4 < 10

What is the difference between the following three if() statements?
double sodaCost = 2.50;
if (sodaCost > 2.00)
System.out.println("I'll have water instead");
if (sodaCost > 2.00)
System.out.println("I'll have water instead");
if (sodaCost > 2.00)
System.out.println("I'll have water instead");

Given the following boolean value, how would you write an if() statement that will execute if that value is true?
boolean run_me = true;

Given the following code, which of these if() statements will produce a compile-time error?
int value = 12;

What will be displayed when the following statements are run?
String pet = "cat";
if (pet.equals("dog")) {
System.out.println("WOOF"); }
if (pet.equals("dog") == false) {
System.out.println("MEOW"); }