How do I make a random variable that is either 1000, 1011, 1012, 3010, or 3020? // TODO: #12 (20 points)- Create a file named "courses.txt" that has 12 random XCOR// courses.The only XCOR courses are XCOR 1000, XCOR 1011, XCOR 1012, XCOR 3010, and XCOREach of the 12 lines in the "courses.txt" file must have the format{one of the valid XCOR course numbers}// 3020.//// For example,//System.out.print("\nCreating 'courses.txt' file...");try(PrintWriter pw = new PrintWriter ("courses.txt")){int ratinglХCOR{rating, a random integer in 0..6}ХCOR10123= rand.nextInt(6 + l);pw.println("XCOR1011" + rating1);= rand.nextInt(6 + l);ratinglpw.println("XCOR3010" + ratingl);= rand.nextInt(6 + l);ratinglpw.println("XCOR}catch (FileNotFoundException e){e.printStackTrace ();}3010" + ratingl);

A random variable's possible values might represent the possible outcomes of a yet-to-be-performed…

The only XCOR courses are XCOR 1000, XCOR 1011, XC / 3020. Each of the 12 lines in the "courses.txt" file must ha {rating XCOR {one of the valid XCOR course numbers} - For example, XCOR 1012 3 /stem.out.print("\nCreating 'courses.txt' file..."); ry (PrintWriter pw = new PrintWriter("courses.txt")){ int ratingl = rand.nextInt(6 + 1); pw.println("XCOR %3D 1011 " + ratingl); = rand.nextInt(6 + 1); ratingl nu println(!YCOR 2010 rating1)

The only XCOR courses are XCOR 1000, XCOR 1011, XC / 3020. Each of the 12 lines in the "courses.txt" file must ha {rating XCOR {one of the valid XCOR course numbers} - For example, XCOR 1012 3 /stem.out.print("\nCreating 'courses.txt' file..."); ry (PrintWriter pw = new PrintWriter("courses.txt")){ int ratingl = rand.nextInt(6 + 1); pw.println("XCOR %3D 1011 " + ratingl); = rand.nextInt(6 + 1); ratingl nu println(!YCOR 2010 rating1)

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

How do I make a random variable that is either 1000, 1011, 1012, 3010, or 3020?

// TODO: #12 (20 points)
- Create a file named "courses.txt" that has 12 random XCOR
// courses.
The only XCOR courses are XCOR 1000, XCOR 1011, XCOR 1012, XCOR 3010, and XCOR
Each of the 12 lines in the "courses.txt" file must have the format
{one of the valid XCOR course numbers}
// 3020.
//
// For example,
//
System.out.print("\nCreating 'courses.txt' file...");
try(PrintWriter pw = new PrintWriter ("courses.txt")){
int ratingl
ХCOR
{rating, a random integer in 0..6}
ХCOR
1012
3
= rand.nextInt(6 + l);
pw.println("XCOR
1011
" + rating1);
= rand.nextInt(6 + l);
ratingl
pw.println("XCOR
3010
" + ratingl);
= rand.nextInt(6 + l);
ratingl
pw.println("XCOR
}
catch (FileNotFoundException e){
e.printStackTrace ();
}
3010
" + ratingl);

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