import java.io.*;  //import BufferedReader

public class ExampleIO{

    //notice, I have to 'throw IOException'.  This means that I will simply
    //exit the program if I have any IO Errors
    public static void main(String[] args) throws IOException{
        
        //for now, don't worry about what this next line does!
        BufferedReader keyboard=new BufferedReader(new InputStreamReader(System.in));
        String str1;  //declare empty String
        int int1;
        double dbl1;
        
        //example of reading in a string
	System.out.print("Enter a string: ");
        str1=keyboard.readLine();  //puts a copy of the users string in str1
        System.out.println("You entered: " + str1);
        
        //example of reading in an integer
	System.out.print("\nEnter an integer: ");
        str1=keyboard.readLine();  //enters the int as a string, notice I'm reusing str1
        int1=Integer.parseInt(str1); //convert String to an int.  for now, don't worry about how it works!
        System.out.println("You entered: " + int1);
        
        //example of reading in a double
	System.out.print("\nEnter an double: ");
        str1=keyboard.readLine();  //enters the int as a string, notice I'm reusing str1
        dbl1=Double.parseDouble(str1); //convert String to an double.  for now, don't worry about how it works!
        System.out.println("You entered: " + dbl1);    
    
    }
}