public class MaxVariablesDemo {
         public static void main(String args[]) {
                // 
                byte largestByte = Byte.MAX_VALUE;
		byte leastByte = Byte.MIN_VALUE;
                short largestShort = Short.MAX_VALUE;
		short leastShort = Short.MIN_VALUE;
                int largestInteger = Integer.MAX_VALUE;
		int leastInteger = Integer.MIN_VALUE;
                long largestLong = Long.MAX_VALUE;
		long leastLong = Long.MIN_VALUE;
                // ʵ
                float largestFloat = Float.MAX_VALUE;
		float leastFloat = Float.MIN_VALUE;
		double largestDouble = Double.MAX_VALUE;
		double leastDouble = Double.MIN_VALUE;
                // 
                char aChar = 'A';
                boolean aBoolean = true;
                 // ȫʾ
                System.out.println("The largest byte value is " + largestByte);
                System.out.println("The least byte value is " + leastByte);
                System.out.println("The largest short value is " + largestShort);
                System.out.println("The least short value is " + leastShort);
                System.out.println("The largest integer value is " + largestInteger);
                System.out.println("The least integer value is " + leastInteger);
                System.out.println("The largest long value is " + largestLong);
                System.out.println("The least long value is " + leastLong);
                System.out.println("The largest float value is " + largestFloat);
                System.out.println("The least float value is " + leastFloat);
                System.out.println("The largest double value is " + largestDouble);
                System.out.println("The least double value is " + leastDouble);
                if (Character.isUpperCase(aChar)) {
                          System.out.println("The character " + aChar + " is upper case.");
                }
 		else {
                            System.out.println("The character " + aChar + " is lower case.");
               	}
		System.out.println("The value of aBoolean is " + aBoolean);
	}
}




