class No_System_Demo
{
  public static void main(String[] n) 
  {
    double d=020;	// octal no 20 stored
    System.out.println("d=" +d);    // output will be in decimal number system and is 16.0 and thats fine
		
    
   double d1=020.0;   // octal no's can have

class Char_Demo
{
	public static void main(String[] n)
	{
// we all know we can store a character literal like A or //B in an char variable

char c='A';
System.out.println("Character c has" +c);   //output is A
		
	// we can even store the ASCII value for A
		
char c1=65;