Converting Non ASCII String to Hex

public static String toHexString(char c)
{
String rep;
String temp;
int low = c & 0x00FF;
int high = c & 0xFF00;
temp = Integer.toHexString(low);
if( temp.length() == 1 )
temp = "0" + temp;

rep = temp;

temp = Integer.toHexString(high);
if( temp.length() == 1 )
temp = "0" + temp;

rep += temp;
// If you want a space between bytes
// rep += " " + temp;

return rep;
}

public static void main(String a[])
{
String str = toHexString('b');
System.out.println(str);
}