Im used too using Scanner mainly and want too try using a buffered reader: heres what i have so far
import java.util.*;
import java.io.*;
public class IceCreamCone
{
// variables
String flavour;
int numScoops;
Scanner flavourIceCream = new Scanner(System.in);
// constructor
public IceCreamCone()
{
}
// methods
public String getFlavour() throws IOexception
{
try{
BufferedReader keyboardInput;
keyboardInput = new BufferedReader(new InputStreamReader(System.in));
System.out.println(" please enter your flavour ice cream");
flavour = keyboardInput.readLine();
return keyboardInput.readLine();
}
catch (IOexception e)
{
e.printStackTrace();
}
}
im fairly sure to get an int you can say
Integer.parseInt(keyboardInput.readLine());
but what do i do if i want a String
keyboardInput.readLine()
already returns a string so you should simply do:
return keyboardInput.readLine();
(update)
The readLine
method throws an IOException
. You either throw the exception:
public String getFlavour() throws IOException {
...
}
or you handle it in your method.
public static String getFlavour() {
BufferedReader keyboardInput = null;
try {
keyboardInput = new BufferedReader(new InputStreamReader(System.in));
System.out.println(" please enter your flavour ice cream");
// in this case, you don't need to declare this extra variable
// String flavour = keyboardInput.readLine();
// return flavour;
return keyboardInput.readLine();
} catch (IOException e) {
// handle this
e.printStackTrace();
}
return null;
}