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prac_3.java
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import java.awt.Color;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
public class prac_3 extends JFrame implements ListSelectionListener,ActionListener
{
JPanel p1,p2;
JList j1,j2;
JLabel l1,l2,l3,l4,l5,l6,l7,l8,l9,l10,l11,l12,l13,l14,l15,l16,l17,l18;
JLabel t1,t2,t3,t4,t5,t6;
JButton b1,b2,b3;
int spen=100,spencil=150,spaper=150,seraser=75,ssharpener=75,sruler=120;
int c1=0,c2=0,c3=0,c4=0,c5=0,c6=0;
double p,cart=0.0;
String x;
prac_3()
{
super("ABC Stationary Shop");
setSize(1000,1000);
setLayout(null);
setVisible(true);
p1=new JPanel();
p1.setBounds(0,0,500,1000);
p1.setBackground(Color.yellow);
p1.setVisible(true);
p1.setLayout(null);
add(p1);
l5=new JLabel("Choose from the below cart ->");
l5.setBounds(10, 10, 250, 100);
l5.setFont(new Font("Serif", Font.PLAIN,20));
p1.add(l5);
String str[]= {"Pencil","Pen","Paper","Eraser","Sharpener","Ruler"};
j1=new JList(str);
//j1.setOpaque(false);
j1.setBounds(10,110,100, 135);
j1.setFont(new Font("Serif",Font.PLAIN,15));
j1.setLayout(null);
j1.addListSelectionListener(this);
p1.add(j1);
l1=new JLabel("Price of item:");
l1.setBounds(10, 240, 180, 50);
p1.add(l1);
l2=new JLabel("Total cost: ");
l2.setBounds(10, 280, 180, 50);
p1.add(l2);
l3=new JLabel("Available Stock:");
l3.setBounds(10, 320, 150, 50);
p1.add(l3);
b1= new JButton("ADD");
b1.setBounds(50, 380, 70, 50);
p1.add(b1);
b1.addActionListener(this);
b2= new JButton("BUY");
b2.setBounds(130, 380, 70, 50);
p1.add(b2);
b2.addActionListener(this);
b3= new JButton("CLEAR");
b3.setBounds(210, 380, 90, 50);
p1.add(b3);
b3.addActionListener(this);
p2=new JPanel();
p2.setBounds(500,0,500,1000);
p2.setBackground(Color.CYAN);
p2.setVisible(false);
p2.setLayout(null);
add(p2);
l4=new JLabel("**INVOICE**");
l4.setHorizontalAlignment(JLabel.CENTER);
l4.setBounds(100, 30, 300, 50);
l4.setFont(new Font("Serif", Font.BOLD,25));
p2.add(l4);
}
@Override
public void actionPerformed(ActionEvent e)
{
//TODO Auto-generated method stub
if(e.getSource()==b1)
{
cart+=p;
l2.setText("Total cost: $"+String.format("%.2f",cart));
if(x=="Pencil")
{
spencil=spencil-1;
l3.setText("Available Stock: "+spencil);
c1++;
}
else if(x=="Pen")
{
spen=spen-1;
l3.setText("Available Stock: "+spen);
c2++;
}
else if(x=="Paper")
{
spaper=spaper-1;
l3.setText("Available Stock: "+spaper);
c3++;
}
else if(x=="Eraser")
{
seraser=seraser-1;
l3.setText("Available Stock: "+seraser);
c4++;
}
else if(x=="Sharpener")
{
ssharpener=ssharpener-1;
l3.setText("Available Stock: "+ssharpener);
c5++;
}
else
{
sruler=sruler-1;
l3.setText("Available Stock: "+sruler);
c6++;
}
}
else if(e.getSource()==b2)
{
p2.setVisible(true);
l6=new JLabel("=========================================");
//l6.setHorizontalAlignment(JLabel.CENTER);
l6.setBounds(10, 90, 500, 50);
l6.setFont(new Font("Serif", Font.PLAIN,20));
p2.add(l6);
l8=new JLabel("Item");
l8.setBounds(20, 120, 50, 50);
l8.setFont(new Font("Serif", Font.PLAIN,16));
p2.add(l8);
l9=new JLabel("Quantity");
l9.setBounds(210, 120, 60, 50);
l9.setFont(new Font("Serif", Font.PLAIN,16));
p2.add(l9);
l10=new JLabel("Total");
l10.setBounds(410, 120, 50, 50);
l10.setFont(new Font("Serif", Font.PLAIN,16));
p2.add(l10);
String str[]= {"Pencil","Pen","Paper","Eraser","Sharpener","Ruler"};
j2=new JList(str);
j2.setBounds(20,170,100, 135);
j2.setFont(new Font("Serif",Font.BOLD,15));
j2.setLayout(null);
j2.setBackground(Color.cyan);
j2.setEnabled(false);
j2.addListSelectionListener(this);
p2.add(j2);
l11=new JLabel();
l11.setText(Integer.toString(c1));
l11.setBounds(210, 158, 50, 50);
l11.setFont(new Font("Serif", Font.PLAIN,16));
p2.add(l11);
l12=new JLabel();
l12.setText(Integer.toString(c2));
l12.setBounds(210, 180, 50, 50);
l12.setFont(new Font("Serif", Font.PLAIN,16));
p2.add(l12);
l13=new JLabel();
l13.setText(Integer.toString(c3));
l13.setBounds(210, 200, 50, 50);
l13.setFont(new Font("Serif", Font.PLAIN,16));
p2.add(l13);
l14=new JLabel();
l14.setText(Integer.toString(c4));
l14.setBounds(210, 222, 50, 50);
l14.setFont(new Font("Serif", Font.PLAIN,16));
p2.add(l14);
l15=new JLabel();
l15.setText(Integer.toString(c5));
l15.setBounds(210, 243, 50, 50);
l15.setFont(new Font("Serif", Font.PLAIN,16));
p2.add(l15);
l16=new JLabel();
l16.setText(Integer.toString(c6));
l16.setBounds(210, 265, 50, 50);
l16.setFont(new Font("Serif", Font.PLAIN,16));
p2.add(l16);
t1=new JLabel();
t1.setText(Float.toString((float) (c1*2.99)));
t1.setBounds(410, 158, 50, 50);
t1.setFont(new Font("Serif", Font.PLAIN,16));
p2.add(t1);
t2=new JLabel();
t2.setText(Float.toString((float) (c2*9.99)));
t2.setBounds(410, 180, 50, 50);
t2.setFont(new Font("Serif", Font.PLAIN,16));
p2.add(t2);
t3=new JLabel();
t3.setText(Float.toString((float) (c3*4.99)));
t3.setBounds(410, 200, 50, 50);
t3.setFont(new Font("Serif", Font.PLAIN,16));
p2.add(t3);
t4=new JLabel();
t4.setText(Float.toString((float) (c4*2.99)));
t4.setBounds(410, 222, 50, 50);
t4.setFont(new Font("Serif", Font.PLAIN,16));
p2.add(t4);
t5=new JLabel();
t5.setText(Float.toString((float) (c5*3.99)));
t5.setBounds(410, 243, 50, 50);
t5.setFont(new Font("Serif", Font.PLAIN,16));
p2.add(t5);
t6=new JLabel();
t6.setText(Float.toString((float) (c6*14.99)));
t6.setBounds(410, 265, 50, 50);
t6.setFont(new Font("Serif", Font.PLAIN,16));
p2.add(t6);
l16=new JLabel("=========================================");
l16.setBounds(10, 300, 500, 50);
l16.setFont(new Font("Serif", Font.PLAIN,20));
p2.add(l16);
l17=new JLabel("Total cost: $"+String.format("%.2f",cart));
l17.setBounds(10, 360, 200, 50);
l17.setFont(new Font("Serif", Font.BOLD,20));
p2.add(l17);
}
else
{
l1.setText("Price of item:");
l2.setText("Total cost: ");
l3.setText("Available Stock:");
p2.setVisible(false);
l11.setText("");
l12.setText("");
l13.setText("");
l14.setText("");
l15.setText("");
l16.setText("");
l17.setText("");
t1.setText("");
t2.setText("");
t3.setText("");
t4.setText("");
t5.setText("");
t6.setText("");
}
}
@Override
public void valueChanged(ListSelectionEvent e)
{
// TODO Auto-generated method stub
x= (String) j1.getSelectedValue();
if(x=="Pencil")
{
l1.setText("Price of Pencil is $2.99");
p=2.99;
l8.setText("");
}
else if(x=="Pen")
{
l1.setText("Price of Pen is $9.99");
p=9.99;
}
if(x=="Paper")
{
l1.setText("Price of Paper is $4.99");
p=4.99;
}
if(x=="Eraser")
{
l1.setText("Price of Eraser is $2.99");
p=2.99;
}
if(x=="Sharpener")
{
l1.setText("Price of Sharpener is $3.99");
p= 3.99;
}
if(x=="Ruler")
{
l1.setText("Price of Ruler is $14.99");
p=14.99;
}
}
public static void main(String[] args)
{
new prac_3();
}
}