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Thread: Guys what's wrong in my Simple Program ? Help me please :(

  1. #1
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    Default Guys what's wrong in my Simple Program ? Help me please :(

    import java.io.*;
    import java.util.Scanner;
    import javax.swing.JOptionPane;
    import java.io.FileNotFoundException;
    import java.io.FileReader;
    import java.io.FileWriter;
    import java.io.IOException;
    import java.io.PrintWriter;

    public class finaLProject {

    public static void main(String[] args) throws IOException, FileNotFoundException {{
    // TODO Auto-generated method stub
    String str,strage,name,address,gender,quantity,product, amountRecieve;
    String Brand,model;
    char ch,ch1,ch2,ch3,ch4,ch5;
    int age,price;
    int priceInt=0,quantityInt,totalamount;

    PrintWriter inFile=new PrintWriter(new FileWriter("C:\\Users\\user\\Documents\\inCoDer.tx t",true));

    do{


    str= JOptionPane.showInputDialog(null,""
    + "\nR - Register"
    + "\nP - Purchase Item "
    + "\nI - Informantion of your Data"
    + "\nE - exit","Please Make a Choice",JOptionPane.PLAIN_MESSAGE+JOptionPane.OK_O PTION);


    boolean exit=true;


    ch=str.charAt(0);
    Character.toLowerCase(ch);
    switch(ch){
    case 'r':
    case 'R':{
    name=JOptionPane.showInputDialog(null,"Name: "," Register ",JOptionPane.PLAIN_MESSAGE+JOptionPane.OK_OPTION) ;

    strage=JOptionPane.showInputDialog(null,"Age: "," Register ",JOptionPane.PLAIN_MESSAGE+JOptionPane.OK_OPTION) ;
    age= Integer.parseInt(strage);

    address=JOptionPane.showInputDialog(null,"Address: "," Register",JOptionPane.PLAIN_MESSAGE+JOptionPane.OK _OPTION);

    gender=JOptionPane.showInputDialog(null,"Gender: "," Register",JOptionPane.PLAIN_MESSAGE+JOptionPane.OK _OPTION);




    switch (ch){
    case 'P' :
    case 'p':{

    str=JOptionPane.showInputDialog(null, " PRODUCT\n"
    + "[C]: Cellphone\n"
    + "[L]: Laptop\n"
    + "[T]: Tablet\n");
    break;}
    default:
    JOptionPane.showMessageDialog(null,"Invalid Choice:","Please try Again",JOptionPane.WARNING_MESSAGE+JOptionPane.OK_ OPTION);
    } break;
    boolean exit1=true;

    ch1 = str.charAt(0);
    Character.toLowerCase(ch1);
    switch (ch1){
    case 'c':
    case 'C':{

    product=JOptionPane.showInputDialog(null,"List of Cellphone \n"
    +" Brand Medel Price\n"
    + "[N]: Nokia X-men $399\n"
    + "[S]: Samsung Galactic $450\n"
    + "[L]: Lenovo Mayon $350\n\n"

    +"Add to Puschase Item",JOptionPane.WARNING_MESSAGE+JOptionPane.OK_O PTION);
    }break;
    default:
    JOptionPane.showMessageDialog(null,"Invalid Choice:","Please try Again",JOptionPane.WARNING_MESSAGE+JOptionPane.OK_ OPTION);
    }break;
    boolean exit2=true;


    ch2 = str.charAt(0);
    Character.toLowerCase(ch1);
    switch(ch2){
    case'N':
    case 'n':{
    JOptionPane.showMessageDialog(null,"This will be added in your Information\n"
    + "\nBrand: Nokia\nModel: X-men\nPrice: $399");

    Brand="Nokia";
    model="X-men";
    priceInt=399;
    break;}

    case 'S':
    case's':{
    JOptionPane.showMessageDialog(null,"This will be added in your Information\n"
    + "\nBrand: Samsung\nModel: Galactic\nPrice: $450");

    Brand="SAMSUNG";
    model="Galactic";
    price=450;

    break;}
    case 'L':
    case'l':{
    JOptionPane.showMessageDialog(null,"This will be added in your Information\n"
    + "\nBrand: Lenovo\nModel: Mayon\nPrice: $350");

    Brand="Lenovo";
    model="Mayon";
    price=350;

    break;}


    quantity=JOptionPane.showInputDialog(null, "\nProduct: "+product+
    "\nBrand: "+Brand+
    "\nModel: "+model+
    "\nPrice: "+price+
    "\n\nQuality:");
    quantityInt=Integer.parseInt(quantity);
    totalamount=price*quantityInt;

    amountRecieve=JOptionPane.showInputDialog(null,"It em you Choose: \nProduct: "+product+
    "\nBrand: "+Brand+
    "\nModel: "+model+
    "\nPrice: "+price+
    "\n\nQuality:","\nTotal Amount: "+totalamount+"\n\nAmount Receive:");
    double receive=Double.parseDouble(amountRecieve);
    double change=receive-totalamount;


    String PurchaseAgain=JOptionPane.showInputDialog(null,"\n You want to order again?"
    + "\n [Y]es [N]o",JOptionPane.QUESTION_MESSAGE);
    if("Y".equals(PurchaseAgain)||"y".equals(PurchaseA gain)){
    }
    else if("N".equals(PurchaseAgain)||"n".equals(PurchaseA gain)){
    JOptionPane.showMessageDialog(null, "Thank you for shopping");
    }
    else{
    JOptionPane.showMessageDialog(null,"Invalid Choice:","Please try Again",JOptionPane.WARNING_MESSAGE+JOptionPane.OK_ OPTION);}
    }

    exit1=true;
    //-----------end Looping
    ch3=str.charAt(0);
    Character.toLowerCase(ch3);
    do{
    switch(ch3){
    case 'L':
    case 'l':{


    str=JOptionPane.showInputDialog(null," List of Laptop \n"
    + " Brand Model Price\n"
    + "[S]: Sony SuperShot $899\n"
    + "[H]: HP Hyperstone $967\n"
    + "[A]: Acer Arrow777 $867\n"
    + "\n[B]: Back to menu"
    +"\n\nAdd to cart:");
    ch3=str.charAt(0);
    Character.toLowerCase(ch3);
    switch(ch3){

    case's':
    case'S':{

    JOptionPane.showMessageDialog(null,"\nThis will be added in your Information\n"
    + "Brand: Sony\nModel: SuperShot\nPrice: $899");
    Brand="SONY";
    model="SuperShot";
    price=899;
    }break;
    case'H':
    case'h':{


    JOptionPane.showMessageDialog(null,"\nThis will be added in your Information\n"
    + "Brand: HP\nModel: Hyperstone\nPrice: $967");
    Brand="HP";
    model="Hyperstone";
    price=967;

    } break;
    case'A':
    case'a':{

    JOptionPane.showMessageDialog(null,"\nThis will be added in your Information\n"
    + "Brand: Acer\nModel: Arrow77\nPrice: $867");
    Brand="ACER";
    model="Arrow777";
    price=867;
    } break;
    quantity=JOptionPane.showInputDialog(null, "\nProduct: "+product+
    "\nBrand: "+Brand+
    "\nModel: "+model+
    "\nPrice: "+price+
    "\n\nQuality:");
    quantityInt=Integer.parseInt(quantity);
    totalamount=price*quantityInt;

    amountRecieve=JOptionPane.showInputDialog(null,"It em you Choose: \nProduct: "+product+
    "\nBrand: "+Brand+
    "\nModel: "+model+
    "\nPrice: "+price+
    "\n\nQuality:","\nTotal Amount: "+totalamount+"\n\nAmount Receive:");
    double receive=Double.parseDouble(amountRecieve);
    double change=receive-totalamount;


    String PurchaseAgain=JOptionPane.showInputDialog(null,"\n You want to order again?"
    + "\n [Y]es [N]o",JOptionPane.QUESTION_MESSAGE);
    if("Y".equals(PurchaseAgain)||"y".equals(PurchaseA gain)){
    }
    else if("N".equals(PurchaseAgain)||"n".equals(PurchaseA gain)){
    JOptionPane.showMessageDialog(null, "Thank you for shopping");
    }
    else{
    JOptionPane.showMessageDialog(null,"Invalid Choice:","Please try Again",JOptionPane.WARNING_MESSAGE+JOptionPane.OK_ OPTION);}
    }

    exit1=false;
    //--------------end Looping
    ch4=str.charAt(0);
    Character.toLowerCase(ch4);
    do{

    switch (ch4){
    case 't':
    case 'T' :{


    str=JOptionPane.showInputDialog(null,"List of Cellphone \n"
    +" Brand Medel Price\n"
    + "[A]: Apple iPadMini $129\n"
    + "[S]: Samsung GalaxyTab $292\n"
    + "[C]: Cherry Mobile Superion $120\n\n"
    + "[B]: Back to menu"
    +"Add to Puschase Item:");
    ch4=str.charAt(0);
    Character.toLowerCase(ch4);
    switch(ch4){
    case 'A':
    case'a':{

    JOptionPane.showMessageDialog(null,"This will bi added in Puschase Item\n"
    + "\nBrand: Apple\nModel: iPadMini\nPrice: $129");

    Brand="Apple";
    price=329;
    model="iPadMini";

    break;}
    case 'C':
    case'c':{
    JOptionPane.showMessageDialog(null,"This will bi added in Puschase Item\n"
    + "\nBrand: Samsung\nModel: GalaxyTab\nPrice: $292");

    Brand="Samsung";
    price=292;
    model="GalaxyTab";
    break;}
    case'S':
    case's':{
    JOptionPane.showMessageDialog(null,"This will bi added in Puschase Item\n"
    + "\nBrand: Cherry Mobile\nModel: Superion\nPrice: $120");

    Brand="Cherry Mobile";
    price=120;
    model="Superion";
    break;}
    quantityInt=Integer.parseInt(quantity);
    totalamount=price*quantityInt;

    amountRecieve=JOptionPane.showInputDialog(null,"It em you Choose: \nProduct: "+product+
    "\nBrand: "+Brand+
    "\nModel: "+model+
    "\nPrice: "+price+
    "\n\nQuality:","\nTotal Amount: "+totalamount+"\n\nAmount Receive:");
    double receive=Double.parseDouble(amountRecieve);
    double change=receive-totalamount;


    String PurchaseAgain=JOptionPane.showInputDialog(null,"\n You want to order again?"
    + "\n [Y]es [N]o",JOptionPane.QUESTION_MESSAGE);
    if("Y".equals(PurchaseAgain)||"y".equals(PurchaseA gain)){
    }
    else if("N".equals(PurchaseAgain)||"n".equals(PurchaseA gain)){
    JOptionPane.showMessageDialog(null, "Thank you for shopping");
    }
    else{
    JOptionPane.showMessageDialog(null,"Invalid Choice:","Please try Again",JOptionPane.WARNING_MESSAGE+JOptionPane.OK_ OPTION);}
    }
    //---------------end Looping
    ch4=str.charAt(0);
    Character.toLowerCase(ch4);
    do{

    switch(ch4){
    case'I':
    case'i':{
    JOptionPane.showMessageDialog(null,"Name: "+name+
    "\nAge: "+age+
    "\nAddress: "+address+
    "\nGender: "+gender+
    "\nProduct: "+product+
    "\nQuantity: "+quantity+
    "\nBrand: "+Brand+
    "\nModel: "+model+
    "\nPrice: "+price
    ," Your Information",JOptionPane.WARNING_MESSAGE+JOptionPa ne.OK_OPTION);

    inFile.append("Name: "+name+
    "\nAge: "+age+
    "\nAddress: "+address+
    "\nGender: "+gender+
    "\nProduct: "+product+
    "\nQuantity: "+quantity+
    "\nBrand: "+Brand+
    "\nModel: "+model+
    "\nPrice: "+price);
    inFile.println();
    inFile.close();

    } break;



    case'E':
    case'e':{
    JOptionPane.showMessageDialog(null,"Bye na ! ");



    }break;
    default:{
    JOptionPane.showMessageDialog(null,"Invalid Choice:","Please try Again",JOptionPane.WARNING_MESSAGE+JOptionPane.OK_ OPTION);

    }break;




    }
    } //----------- end of switch case








    while(ch!='e');//-------------------------->end loop

    inFile.close();
    inFile.close();
    }}

    System.exit(0);

    }
    }










    }
    }


  2. #2
    Super Moderator
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    Default Re: Guys what's wrong in my Simple Program ? Help me please :(

    Welcome to the forum! Please read this topic to learn how to post code correctly and other useful info for new members.

    Please edit your post so that your code is posted correctly with formatting preserved. Then, describe what you need help with, ask specific questions and/or include error messages so that we know why you've posted.

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