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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JAVA Problem  – CycleFileInput

 

Revisit the Cycle class .  Modify your application such that the properties will be read from a text file called “Cycle.txt”.   

 

Directions

 

Examine your application for the class called Cycle.

  • Add an appropriate throws statement in the main method.
  • Create a reference to a File class with the appropriate name of a text file (Cycle.txt). Note: Cycle.txt was created in the previous assignment, CycleFileOutput.
  • In your code, check that the text file does exist.
  • Input the values from the file to memory.
  • Close the file.

public class Cycle {

 

// Declear integer instance variable

private int numberOfWheels;

private int weight;

 

// Constructer declear class

public Cycle(int numberOfWheels, int weight ) {

this.numberOfWheels = numberOfWheels;

this.weight = weight;

}

 

// String method for output

public String toString() {

String wheel = String.valueOf(this.numberOfWheels);

String load = String.valueOf(this.weight);

return("No of wheels in cycle = " + wheel + ", Weight of cycvle =" + load);

}

}

public class Main {

    

// Main method of A class 

public static void main(String[] args) {

 

// Object for cycle class A

Cycle obj = new Cycle(6, 30);

System.out.println(obj.toString());

}

}

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