// Test some of the Scanner

import java.util.Scanner;
public class TestScanner
{
    public static void main(String[ ] argv)
    {
        String name = "", gender = "", line = "", word = "";
        int age = 0;
        double gpa = 0.0;

        // Create a Scanner object from System.in.
        // System.in conforms to the Readable interface.
        Scanner s = new Scanner(System.in);

        // Enter these two lines at the keyboard:
        // Alice F 23 3.95
        // This is a test.
        System.out.println("Enter the two input lines:");

        // Read name.
        if (s.hasNext( ))
            name = s.next( );
        else
            return;
            
        // Read gender.
        if (s.hasNext( ))
            gender = s.next( );
        else
            return;
            
        // Read age.
        if (s.hasNextInt( ))
            age = s.nextInt( );
        else
            return;
            
        // Read gpa.
        if (s.hasNextDouble( ))
            gpa = s.nextDouble( );
        else
            return;
    
        // Read line.
        if (s.hasNextLine( ))
            line = s.nextLine( );
        else
            return;
   
        System.out.printf("name == %s\n", name); 
        System.out.printf("gender == %s\n", gender); 
        System.out.printf("age == %d\n", age); 
        System.out.printf("gpa == %f\n", gpa); 
        System.out.printf("line == %s\n", line); 

        // Test scanner methods for Scanner object
        // created from a delimited string.
        Scanner t = new Scanner("this is a test");
        while (t.hasNext( ))
        {
            word = t.next( );
            System.out.println("\"" + word + "\"");
        }
    }
}

// Keyboard input and screen:
Enter the input line:
Alice F 23 3.95 This is the rest of the line.
name == Alice
gender == F
age == 23
gpa == 3.45
line == This is the rest of the line.
"this"
"is"
"a"
"test"