Character class in Java - Wrapper Class

/*

Simple java program illustrating

Character class

*/

class Main

{

                public static void main(String args[])

                {

                                /* this is the only constructor

                                of Character class */

                                Character ch=new Character('A');

                                char c=ch.charValue();

               

                                System.out.println(c);

                               

                                System.out.println("MAX_RADIX : "+Character.MAX_RADIX);

                                System.out.println("MIN_RADIX : "+Character.MIN_RADIX);

                                System.out.println("MAX_VALUE : "+Character.MAX_VALUE);

                                System.out.println("MIN_VALUE : "+Character.MIN_VALUE);

                                System.out.println("TYPE      : "+Character.TYPE);

                                System.out.println();

                                char a[]={'a','B','?','8',' '};

                                for(int i=0;i<a.length;i++)

                                {

                                                if(Character.isDigit(a[i]))

                                                                System.out.println(a[i]+" is a Digit");

                                                if(Character.isLetter(a[i]))

                                                                System.out.println(a[i]+" is a Letter");

                                                if(Character.isWhitespace(a[i]))

                                                                System.out.println(a[i]+" is a WhiteSpace");

                                                if(Character.isUpperCase(a[i]))

                                                                System.out.println(a[i]+" is a UpperCase");

                                                if(Character.isLowerCase(a[i]))

                                                                System.out.println(a[i]+" is a LowerCase");

                               

                                }

                                System.out.println();

                                System.out.println("17 in base 16 is : "+Character.forDigit(17,16)); // no output

                                System.out.println("14 in base 16 is : "+Character.forDigit(14,16)); // prints e

                               

                                int i=Character.digit('5',10); // returns an integer, this will print 5

                                System.out.println(i);

                               

                                i=Character.digit('n',10);

                                System.out.println(i);// this prints -1

                }

}