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DecimalToBinary.java
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57 lines (52 loc) · 1.44 KB
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import java.util.Scanner;
/**
* This class converts a Decimal number to a Binary number
*
* @author Unknown
*
*/
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);
}
}