Lab If-Else

Lab If-Else
import javax.swing.JOptionPane;
public class IncomeTax
{
public IncomeTax() {
}
public static void main(String[] args)
{
IncomeTax display = new IncomeTax();
double net,tax,fivePercentTax, tenPercentTax;
String netIcome =
JOptionPane.showInputDialog("Enter a number of netIcome:");
net = Double.parseDouble(netIcome);
if (net <= 15000)
tax = 0;
else
{
fivePercentTax = 0.05*15000;
tenPercentTax = 0.10*(net - 30000);
tax = (fivePercentTax + tenPercentTax);
}
JOptionPane.showMessageDialog(null, "Tax due = $" + tax);
System.out.println("Tax due = $ " + tax );
System.exit(0);
}
}

Lab Scanner

Lab Scanner
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;
public class keyboard{
public keyboard() {
}
public static void main(String[] args) throws IOException
{
BufferedReader keyboard=new BufferedReader(new InputStreamReader(System.in)); System.out.println("Enter a number:");
String str = keyboard.readLine();
int num = Integer.parseInt(str);
System.out.println("The number is " + num );
}
}

Lab JOptionPane

Lab JOptionPane
import javax.swing.JOptionPane;
public class JOptionPaneDemo
{
public static void main (String[] args)
{
String myNumber =
JOptionPane.showInputDialog("Enter a number:");
int numberOfPods=Integer.parseInt(myNumber);
System.out.println("The number is "+ myNumber); System.exit(0);
}
}