package wrapperclasses; public class NumberClass { public static void main(String[] args) { Double d = new Double("6.9685"); byte b = d.byteValue(); Integer i = new Integer("10"); System.out.println("After conversion to byte: " + b); // 6 System.out.println("Compare: " + i.compareTo(7)); // 1 >> greater System.out.println("Compare: " + i.compareTo(11)); // -1 >> less System.out.println("Compare: " + i.compareTo(10)); // 0 >> equal System.out.println("Equals: " + i.equals(10)); // true System.out.println("ParseInt: " + Integer.parseInt("101", 2)); // 5 System.out.println("ParseInt: " + Integer.toBinaryString(10)); // 1010 System.out.println("ParseInt: " + Integer.valueOf(33)); // 33 System.out.println("Letter Character Class: "+ Character.isLetter('A')); // true System.out.println("Digit Character Class: "+ Character.isDigit('0')); // true System.out.println("Whitespace Character Class: "+ Character.isWhitespace('9')); } }