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bob
PLZ Need some help JAVA...HELP !!
3 Answer(s)      3 years and 3 months ago
Posted in : Java Beginners


Create a class names Purchase Each purchase contains an invoice number, amount of sale and amount of sales tax. Include set methods for the invoice number and sale amount. Within the set() method for the sale amount, calculate the sales tax as 5% of the sale amount. also include a display method that displays a purchase's details

B. Create a application that declares a Purchase object and prompts the user for a purchase details. When you prompt for an invoice number, do not let the user proceed until a number between 2000 and 9000 has been entered when you prompt for a sale amount do not proceed until the user has entered a nonnegative value after a vaild purchase object has been created display the object's invoice number, sale amount, and sales tax save as CreatePurchase.java


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September 22, 2011 at 11:55 AM


import java.util.*;
class Purchase{
    int invoiceNo;
    int saleAmount;
    int saletax=5;
    double saletaxAmount;
    public void setInvoiceNo(int invoiceNo){
    this.invoiceNo=invoiceNo;
    }
    public void setSaleAmount(int saleAmount){

    this.saleAmount=saleAmount;
    saletaxAmount=this.saleAmount*.05;
    }
    public int getInvoiceNo(){
     return invoiceNo;
    }
    public int getSaleAmount(){
     return saleAmount;
    }
    public void display(){
        System.out.println("Invoice Number: "+getInvoiceNo());
        System.out.println("Sale Amount: "+getSaleAmount());
        System.out.println("Sale Tax Amount: "+saletaxAmount);
        System.out.println("Total Pay: "+(getSaleAmount()+saletaxAmount ));
      }
    }
    public class CreatePurchase{
        public static void main(String[] args){
        Scanner input=new Scanner(System.in);
        boolean check1=false,check2=false;
        int invoiceNo,saleAmount;
        System.out.print("Enter Invoice Number: ");
            do {
    invoiceNo = input.nextInt( );
    check1=true;
    if( (invoiceNo <2000) || (invoiceNo >9000)) {
    System.out.print("Enter Invoice No within the range of (2000-9000): ");
    check1 = false;
    }
    }while(!check1);

     System.out.print("Enter Sale Amount: ");
    do{
    saleAmount = input.nextInt( );
    check2 = true;
    if( (saleAmount <0)) {
    System.out.print("Enter valid Sales Amount: ");
    check2 = false;
    }
    }while(!check2);

    Purchase p=new Purchase();
    p.setInvoiceNo(invoiceNo);
    p.setSaleAmount(saleAmount);
    p.display();
    }
}


September 22, 2011 at 10:23 PM


CreatePurchase.java:3: cannot find symbol symbol : class Scanner location: class CreatePurchase Scanner input=new Scanner(System.in); ^ CreatePurchase.java:3: cannot find symbol symbol : class Scanner location: class CreatePurchase Scanner input=new Scanner(System.in); ^ 2 errors



September 22, 2011 at 10:29 PM


Other 1st I'm getting No Main methods, applets or MIDIlets found in file



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