//This is a program to show that character variables can be manipulated
//like integers (addition, multiplication, division). The type case rules
//are similar to that of byte and short. Read carefully the comments
//given below

class character_example1
{ 
    public static void main(String args[])
    {
	
	char a = 'a';
	int unicode_a = 'a';
	char z = 'z';
	int unicode_z = 'z';
	char zero = '0';
	int unicode_zero = zero;
	char A = 'A';
	int unicode_A = 'A';
	char Z = 'Z';
	int unicode_Z = 'Z';

	System.out.println(a+" has unicode "+unicode_a);
	System.out.println(z+" has unicode "+unicode_z);
	System.out.println(zero+" has unicode "+unicode_zero);
	System.out.println(A+" has unicode "+unicode_A);
	System.out.println(Z+" has unicode "+unicode_Z); 
	System.out.println("-----------------------------------");
	char c = 97; 
        // Note that any integer literal less than 65536 
	// correspond to a unique Unicode character. So you can assign it to 
        // character variable without EXPLICIT type cast. But for higher values
        // you will get comilation error.  
        // Recall that this is similar to data types bytes and short
       	System.out.println(c);
	c = (char)(c+1);
	// Note that value of expression c+1 is within range of unicode
        // characters. But since its type is int which is bigger than that of
        // character, you have to do an EXPLICIT type cast. 
        // Recall the similar rule in case of bytes and short.
        // Example : byte b = 23; byte b2 = b+1 will give compilation error 
	System.out.println(c);
	int b = 2*c;
	char d = (char)(b/2); 
	System.out.println(c);
    } 
}