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COSC 1437 Chapter 5 Practice Questions and Answers Already Passed $7.99   Add to cart

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COSC 1437 Chapter 5 Practice Questions and Answers Already Passed

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COSC 1437 Chapter 5 Practice Questions and Answers Already Passed When you pass the name of a file to the PrintWriter constructor, and the file already exists, it will be erased and a new empty file with the same name will be created. - Answers True In all but rare cases, loops must contain with...

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  • October 23, 2024
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  • COSC 1437 Chapter 5
  • COSC 1437 Chapter 5
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COSC 1437 Chapter 5 Practice Questions and Answers Already Passed

When you pass the name of a file to the PrintWriter constructor, and the file already exists, it will be
erased and a new empty file with the same name will be created. - Answers True

In all but rare cases, loops must contain within themselves - Answers a way to terminate.

When the break statement is encountered in a loop, all the statements in the body of the loop that
appear after it are ignored, and the loop prepares for the next iteration. - Answers False

A for loop normally performs which of these steps? - Answers All of these

The do-while loop is ideal in situations where you always want the loop to iterate at least once. -
Answers True

Given the following statement, which statement will write the string "Calvin" to the file DiskFile.txt? -
Answers diskOut.println("Calvin");

You can use this method to determine whether a file exists. - Answers the File class's exists method

When working with the PrintWriter class, which of the following import statements should you have
near the top of your program? - Answers import java.io.*;

A loop that repeats a specific number of times is known as a(n) ________ loop. - Answers count-
controlled

Assuming that inputFile references a Scanner object that was used to open a file, which of the following
statements will read an int from the file? - Answers int number = inputFile.nextInt();

A file must always be opened before using it and closed when the program is finished using it. - Answers
True

How many times will the following do-while loop be executed? - Answers 1

What will be the values of x and y as a result of the following code?

x=25,y=8;

x+=y++; - Answers x = 33, y = 9

How many times will the following for loop be executed?

java is great - Answers 12

The while loop is ideal in situations where the exact number of iterations is known. - Answers False

What does the following code do? - Answers Nothing syntax error

If a loop does not contain within itself a way to terminate, it is called - Answers an infinite loop.

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