public class BasicTypes {
   public static void main(String[] args) {
	   int gallons, miles;             // 32 bit integer [-2^31..2^31-1]
		float f;                        // 32 bit real number
		double mpg, gallons_per_mile;   // 64 bit real number
		char initial = 'C';             // single character
		boolean loveProgramming = true; // true or false
		// less commonly used
		byte b;   // 8 bit integer
		short s;  // 16 bit integer
		long l;   // 64 bit integer
		gallons = 7;
		gallons = gallons+1;
		miles = 450;
		gallons_per_mile = (double) gallons/miles;
		System.out.println("Gallons per mile is " + gallons_per_mile);
	}
}