java Binary_Octal_Hexidecimal.java
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public class BinaryOctalHexadecimalNumbers
{
public static final int binary = 2;
public static final String HEXIDECIMAL = "Hexa";
public static final int OCTAL = 8;
public static final int TOP_VAL = 256;
public static void main(String[] args)
{
int bin = 0 ;
System.out.println ( " Binary Octal Hex" );
for ( int i = 1 ; i <= TOP_VAL ; i++ ){
bin = binaryConversion ( i ) ;
System.out.printf ( "%8d\t" , bin ) ;
System.out.printf ( "%8s\t" , binary_OCT ( bin , OCTAL ) ) ;
System.out.printf ( "%8s\n" , binary_hex ( bin, HEXIDECIMAL ) ) ;
}
}
public static int binary_OCT ( int convert , int binary )
{
int factor = 1 ;
int bin = convert ;
int oct = 0 ;
do {
switch ( bin % 1000 ) {
case 0 :
break ;
case 1 :
oct += factor * 1 ;
break ;
case 10 :
oct += factor * 2 ;
break ;
case 11 :
oct += factor * 3 ;
break ;
case 100 :
oct += factor * 4 ;
break ;
case 101 :
oct += factor * 5 ;
break ;
case 110 :
oct += factor * 6 ;
break ;
default :
oct += factor * 7 ;
break ;
}
bin /= 1000 ;
factor *= 10 ;
} while ( bin > 0 ) ;
return oct ;
}
public static int binaryConversion ( int Input ) {
int bin = 0 ;
int sum = 0 ;
int exponent = 0 ;
while ( sum < Input ){
sum += Math.pow ( 2 , exponent ) ;
exponent ++ ;
bin *= 10 ;
bin ++ ;
}
while ( sum > Input && exponent >= 0 ){
if ( sum - Math.pow ( 2 , exponent ) >= Input ) {
sum -= Math.pow ( 2 , exponent ) ;
bin -= Math.pow ( 10 , exponent ) ;
}
exponent-- ;
}
return bin ;
}
public static String binary_hex ( int convert , String binary ) {
String hex = "" ;
int bin = convert ;
do {
switch ( bin % 10000 ) {
case 0 :
hex = '0' + hex ;
break ;
case 1 :
hex = '1' + hex ;
break ;
case 10 :
hex = '2' + hex ;
break ;
case 11 :
hex = '3' + hex ;
break ;
case 100 :
hex = '4' + hex ;
break ;
case 101 :
hex = '5' + hex ;
break ;
case 110 :
hex = '6' + hex ;
break ;
case 111 :
hex = '7' + hex ;
break ;
case 1000 :
hex = '8' + hex ;
break ;
case 1001 :
hex = '9' + hex ;
break ;
case 1010 :
hex = 'A' + hex ;
break ;
case 1011 :
hex = 'B' + hex ;
break ;
case 1100 :
hex = 'C' + hex ;
break ;
case 1101 :
hex = 'D' + hex ;
break ;
case 1110 :
hex = 'E' + hex ;
break ;
default :
hex = 'F' + hex ;
break ;
}
bin /= 10000 ;
} while ( bin > 0 ) ;
return hex ;
}
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