DecimalToAnyUsingStack.java

packagecom.thealgorithms.stacks;

importjava.util.Stack;

publicfinalclassDecimalToAnyUsingStack {
privateDecimalToAnyUsingStack() {
 }

publicstaticvoidmain(String[] args) {
assertconvert(0, 2).equals("0");
assertconvert(30, 2).equals("11110");
assertconvert(30, 8).equals("36");
assertconvert(30, 10).equals("30");
assertconvert(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
 */
privatestaticStringconvert(intnumber, intradix) {
if (radix < 2 || radix > 16) {
thrownewArithmeticException(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 = newStack<>();
do {
bits.push(tables[number % radix]);
number = number / radix;
 } while (number != 0);

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