Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Question

Identify the errors in the following code segment

* provide the correction for each error.

Import Java.util.scanner;

public class Readable

{

public Static void main(String[] args)

{

Scanner KB ;

int shares;

double averagePrice = 14.67;

Shares = KB.nextDouble();

System.out.println("There were " , shares + " shares sold at $" + averagePrice + " per share.");

}

}

Expert Solution
Check Mark
Step 1

There are a few errors in the given code segment:

  1. The package name is not written correctly. It should be java.util.Scanner, with a lowercase "s" in "Scanner".

  2. The variable KB is declared but not initialized. We need to create a new instance of Scanner to read input from the user.

  3. The variable Shares is declared with an uppercase "S" which is not the same as the lowercase "shares" variable used later in the program. Java is case-sensitive, so these two variables are different and cannot be used interchangeably.

  4. The println statement has a syntax error. It should use the + operator to concatenate the strings and variables together.

Here's the corrected code:

 

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