DecimalToAnyUsingStack.java

packagecom.thealgorithms.stacks;

importjava.util.Stack;

publicfinalclassDecimalToAnyUsingStack {
privateDecimalToAnyUsingStack() {
 }

/**
 * Convert a decimal number to another radix.
 *
 * @param number the number to be converted
 * @param radix the radix
 * @return the number represented in the new radix as a String
 * @throws IllegalArgumentException if <tt>number</tt> is negative or <tt>radix</tt> is not between 2 and 16 inclusive
 */
publicstaticStringconvert(intnumber, intradix) {
if (number < 0) {
thrownewIllegalArgumentException("Number must be non-negative.");
 }
if (radix < 2 || radix > 16) {
thrownewIllegalArgumentException(String.format("Invalid radix: %d. Radix must be between 2 and 16.", radix));
 }

if (number == 0) {
return"0";
 }

char[] tables = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};

Stack<Character> bits = newStack<>();
while (number > 0) {
bits.push(tables[number % radix]);
number = number / radix;
 }

StringBuilderresult = newStringBuilder();
while (!bits.isEmpty()) {
result.append(bits.pop());
 }
returnresult.toString();
 }
}