Java/DataStructures/Stacks/DecimalToAnyUsingStack.java at master · charleyr0/Java · GitHub

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package DataStructures.Stacks;

import java.util.Stack;

public class DecimalToAnyUsingStack {

public static void main(String[] args) {

assert convert(0, 2).equals("0");

assert convert(30, 2).equals("11110");

assert convert(30, 8).equals("36");

assert convert(30, 10).equals("30");

assert convert(30, 16).equals("1E");

}

/**

* Convert decimal number to another radix

* @param number the number to be converted

* @param radix the radix

* @return another radix

* @throws ArithmeticException if <tt>number</tt> or <tt>radius</tt> is invalid

private static String convert(int number, int radix) {

if (radix < 2 || radix > 16) {

throw new ArithmeticException(

String.format("Invalid input -> number:%d,radius:%d", number, radix));

}

char[] tables = {

'0', '1', '2', '3', '4',

'5', '6', '7', '8', '9',

'A', 'B', 'C', 'D', 'E', 'F'

};

Stack<Character> bits = new Stack<>();

do {

bits.push(tables[number % radix]);

number = number / radix;

} while (number != 0);

StringBuilder result = new StringBuilder();

while (!bits.isEmpty()) {

result.append(bits.pop());

}

return result.toString();

}

Java/DataStructures/Stacks/DecimalToAnyUsingStack.java at master · charleyr0/Java · GitHub

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