Using Multiple Statements in if and if...else Clauses

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Questions and Answers

What is used in Java to make decisions and is considered an abbreviated version of the if else statement?

  • Default statement
  • Conditional operator (correct)
  • Break statement
  • Switch statement

In Java, what symbol separates the three expressions required by the conditional operator?

  • +
  • ? (correct)
  • *
  • -

What happens at the end of each case in a switch statement?

  • Exclamation point
  • Curly braces
  • Colon (correct)
  • Semicolon

When a test variable does not match any case in a switch statement, what is used prior to any action that should occur?

<p>Default statement (D)</p> Signup and view all the answers

Besides if and switch statements, what is the third way mentioned in the text to make decisions in Java?

<p>Conditional operator (C)</p> Signup and view all the answers

What is the result when the loop-controlling Boolean expression in a loop is false?

<p>The loop ends (C)</p> Signup and view all the answers

What is a loop iteration?

<p>The first execution of a loop (A)</p> Signup and view all the answers

Which type of loop in Java has the loop-controlling Boolean expression as the first statement?

<p>While loop (C)</p> Signup and view all the answers

Which loop is used when you want to execute the loop body at least once before checking the loop-controlling Boolean expression?

<p>Do..while loop (D)</p> Signup and view all the answers

What type of loop is often used for concise loop execution in Java?

<p>For loop (C)</p> Signup and view all the answers

What is a definite loop also known as?

<p>A counted loop (A)</p> Signup and view all the answers

What type of loop is characterized by the number of iterations being determined while the program is running?

<p>Indefinite loop (A)</p> Signup and view all the answers

In a definite loop, what does the loop control variable do?

<p>Determines the number of iterations (D)</p> Signup and view all the answers

How do you execute more than one statement that depends on the evaluation of a Boolean expression?

<p>Using curly braces to create a block (C)</p> Signup and view all the answers

What must be included in the body of a while loop to ensure it ends?

<p>Statement altering the loop control variable (B)</p> Signup and view all the answers

What happens to a variable declared within a block in Java?

<p>It becomes local to that specific block only (B)</p> Signup and view all the answers

What type of loop is characterized by the loop control variable being altered by some other event?

<p>Event-controlled loop (B)</p> Signup and view all the answers

Which statement provides a way to test a single variable against exact values?

<p><code>switch</code> statement (A)</p> Signup and view all the answers

What is the correct syntax to start a switch statement in Java?

<p><code>switch</code> (C)</p> Signup and view all the answers

What happens if a definite while loop does not include a statement that alters the loop control variable?

<p>The loop will never end (B)</p> Signup and view all the answers

In Java, how can you handle multiple alternatives using conditional statements?

<p>By using nested <code>if</code> and <code>else</code> statements (A)</p> Signup and view all the answers

How does an event-controlled loop differ from a definite while loop?

<p>Definite loops are characterized by the number of iterations being known beforehand (D)</p> Signup and view all the answers

What happens if a variable is not recognized when called outside its block scope in Java?

<p>An error occurs as the variable is not recognized (B)</p> Signup and view all the answers

What is the purpose of the three sections separated by two semicolons in a for loop?

<p>Initializing, testing, and updating the loop control variable (B)</p> Signup and view all the answers

In a for loop, when does the body of the loop execute in relation to the control variable update?

<p>Before the control variable is updated (B)</p> Signup and view all the answers

What is a characteristic of a do...while loop?

<p>The loop body always executes at least once (A)</p> Signup and view all the answers

Which type of loop has the decision on whether to continue or stop at the end of its body?

<p>do...while loop (D)</p> Signup and view all the answers

What does a for loop have in common with an if statement and a while loop?

<p>Body enclosed in curly braces (D)</p> Signup and view all the answers

When writing a for loop or a while loop to display integers 1 through 10, what is required about the variable being used?

<p>It needs to be declared as an integer (A)</p> Signup and view all the answers

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