Anas Hammo
Posts: 2
Nickname: anasmohad
Registered: Nov, 2004
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What is the problem in this applet ?
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Posted: Nov 19, 2004 12:20 PM
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import javax.swing.* ;
import java.awt.event.* ;
import java.awt.* ;
import java.text.DecimalFormat ;
public class Ch6_10 extends JApplet implements ActionListener
{
JLabel in , out1 , out2 , out3 , out4 ;
JTextField input , outp1 , outp2 , outp3 , outp4 ;
JButton b ;
public void init ()
{
Container c = getContentPane () ;
c.setLayout ( new FlowLayout () ) ;
in = new JLabel ( " Enter the Double Number " ) ;
c.add ( in ) ;
input = new JTextField ( 5 ) ;
c.add ( input ) ;
out1 = new JLabel ( " Round To Integer " ) ;
c.add ( out1 ) ;
outp1 = new JTextField ( 5 ) ;
outp1.setEditable ( false ) ;
c.add ( outp1 ) ;
out2 = new JLabel ( " Round To Tenths " ) ;
c.add ( out2 ) ;
outp2 = new JTextField ( 5 ) ;
outp2.setEditable ( false ) ;
c.add ( outp2 ) ;
out3 = new JLabel ( " Round To Hundredths " ) ;
c.add ( out3 ) ;
outp3 = new JTextField ( 5 ) ;
outp3.setEditable ( false ) ;
c.add ( outp3 ) ;
out4 = new JLabel ( " Round To Thousandths " ) ;
c.add ( out4 ) ;
outp4 = new JTextField ( 5 ) ;
outp4.setEditable ( false ) ;
c.add ( outp4 ) ;
b = new JButton ( " Calculate ! " ) ;
b.addActionListener ( this ) ;
c.add ( b ) ;
}
public void actionPerformed ( ActionEvent actionEvent )
{
outp1.setText ( Integer.toString ( NeerInteger ( Double.parseDouble ( input.getText () ) ) ) ) ;
outp2.setText ( Double.toString ( NeerTenth ( Double.parseDouble ( input.getText () ) ) ) ) ;
outp3.setText ( Double.toString ( NeerHund ( Double.parseDouble ( input.getText () ) ) ) ) ;
outp4.setText ( Double.toString ( NeerThou ( Double.parseDouble ( input.getText () ) ) ) ) ;
}
public int NeerInteger ( double a )
{
int y1 ;
y1 = ( int ) Math.floor ( a + 0.5 ) ;
return y1 ;
}
public double NeerTenth ( double b )
{
double y2 ;
y2 = Math.floor ( ( b * 10 + 0.5 ) / 10 ) ;
return y2 ;
}
public double NeerHund ( double c )
{
double y3 ;
y3 = Math.floor ( ( c * 100 + 0.5 ) / 100 ) ;
return y3 ;
}
public double NeerThou ( double d )
{
double y4 ;
y4 = Math.floor ( ( d * 1000 + 0.5 ) / 1000 ) ;
return y4 ;
}
}
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