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This article is created to cover some programs in Java that can calculate the discount, and the price that has to be paid after providing the total amount of shopping. The discount must be applied based on the data given in following table:

Shopping Amount | Discount |
---|---|

<=800 | No discount |

>800 and <=1500 | 10% |

>1500 and <=2500 | 15% |

>2500 and <=5000 | 20% |

>5000 | 30% |

That is, when the total shopping amount is less than 800, then there will no discount to apply. When the total shopping amount is greater than 800 and less than or equal to 1500, then there will be 10% discount to apply, and so on.

The question is, *write a Java program to find the price that has to be paid after applying the discount (if any).* The
program given below is the answer to this question:

import java.util.Scanner; public class CodesCracker { public static void main(String[] args) { float totalCost, costToPaid, discount; Scanner scan = new Scanner(System.in); System.out.print("Enter the Total Amount of Shopping: "); totalCost = scan.nextFloat(); if(totalCost<=800) { costToPaid = totalCost; } else if(totalCost>800 && totalCost<=1500) { discount = (totalCost*10)/100; costToPaid = totalCost - discount; } else if(totalCost>1500 && totalCost<=2500) { discount = (totalCost*15)/100; costToPaid = totalCost - discount; } else if(totalCost>2500 && totalCost<=5000) { discount = (totalCost*20)/100; costToPaid = totalCost - discount; } else { discount = (totalCost*30)/100; costToPaid = totalCost - discount; } System.out.println("\nThe cost to be Paid is: " + costToPaid); } }

Here is its sample run with user input **1200** as total amount of shopping:

Since the total amount of shopping is **1200**, therefore after applying the 10% discount, the customer has to pay
1080 only. But the program looks weird, means the program is not delivering a good user experience. Therefore let's
modify the above program and re-create to provide a good user experience:

import java.util.Scanner; public class CodesCracker { public static void main(String[] args) { float totalCost, costToPaid, discount; Scanner scan = new Scanner(System.in); System.out.print("Enter the Total Amount of Shopping: "); totalCost = scan.nextFloat(); if(totalCost<=800) { costToPaid = totalCost; System.out.println("\nSorry, there is no discount to apply."); } else if(totalCost>800 && totalCost<=1500) { discount = (totalCost*10)/100; costToPaid = totalCost - discount; System.out.println("\nCongrats, You've got 10% discount on the total Purchase!"); System.out.println("The discount amount is " +discount); } else if(totalCost>1500 && totalCost<=2500) { discount = (totalCost*15)/100; costToPaid = totalCost - discount; System.out.println("\nCongrats, You've got 15% discount on the total Purchase!"); System.out.println("The discount amount is " +discount); } else if(totalCost>2500 && totalCost<=5000) { discount = (totalCost*20)/100; costToPaid = totalCost - discount; System.out.println("\nCongrats, You've got 20% discount on the total Purchase!"); System.out.println("The discount amount is " +discount); } else { discount = (totalCost*30)/100; costToPaid = totalCost - discount; System.out.println("\nCongrats, You've got 30% discount on the total Purchase!"); System.out.println("The discount amount is " +discount); } if(totalCost<=800) System.out.println("\nYou've to Pay " + costToPaid); else System.out.println("\nNow You've to Pay Only " + costToPaid); } }

Here is its sample run with user input **560** as total purchase amount:

Here is another sample run with user input **2349**:

The program uses **if** - **else** statements to do the job. You can re-define the discount based on shopping range,
according to your requirement, as this is just a demo program, shows how the discount program using if-else can be created
in Java.

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