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Add a bitwise conversion for DecimalToBinary. #380

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Merged
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Feb 19, 2018
Merged

Add a bitwise conversion for DecimalToBinary. #380

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71 changes: 48 additions & 23 deletions Conversions/DecimalToBinary.java
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Original file line number Diff line number Diff line change
Expand Up @@ -6,27 +6,52 @@
* @author Unknown
*
*/
class DecimalToBinary
{
/**
* Main Method
*
* @param args Command Line Arguments
*/
public static void main(String args[])
{
Scanner sc=new Scanner(System.in);
int n,k,s=0,c=0,d;
System.out.print("Decimal number: ");
n=sc.nextInt();
k=n;
while(k!=0)
{
d=k%2;
s=s+d*(int)Math.pow(10,c++);
k/=2;
}//converting decimal to binary
System.out.println("Binary equivalent:"+s);
sc.close();
}
class DecimalToBinary {

/**
* Main Method
*
* @param args Command Line Arguments
*/
public static void main(String args[]) {
conventionalConversion();
bitwiseConversion();
}

/**
* This method converts a decimal number
* to a binary number using a conventional
* algorithm.
*/
public static void conventionalConversion() {
int n, b = 0, c = 0, d;
Scanner input = new Scanner(System.in);
System.out.printf("Conventional conversion.\n\tEnter the decimal number: ");
n = input.nextInt();
while (n != 0) {
d = n % 2;
b = b + d * (int) Math.pow(10, c++);
n /= 2;
} //converting decimal to binary
System.out.println("\tBinary number: " + b);
}

/**
* This method converts a decimal number
* to a binary number using a bitwise
* algorithm
*/
public static void bitwiseConversion() {
int n, b = 0, c = 0, d;
Scanner input = new Scanner(System.in);
System.out.printf("Bitwise conversion.\n\tEnter the decimal number: ");
n = input.nextInt();
while (n != 0) {
d = (n & 1);
b += d * (int) Math.pow(10, c++);
n >>= 1;
}
System.out.println("\tBinary number: " + b);
}

}