Doppelte Jtextfield
public static void main(String[] args) {
double amount=0.0;
try {
amount = Double.parseDouble(txtMonth.getText());
} catch (Exception e) {
System.err.println("ups, this was not castable to double");
amount=-10.0;
}
System.out.println("Here is the double: "+ amount);
}
Breakable Barracuda