45 lines
1.4 KiB
Java
45 lines
1.4 KiB
Java
package DataStructures.Stacks;
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import java.util.Stack;
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public class DecimalToAnyUsingStack {
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public static void main(String[] args) {
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assert convert(0, 2).equals("0");
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assert convert(30, 2).equals("11110");
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assert convert(30, 8).equals("36");
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assert convert(30, 10).equals("30");
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assert convert(30, 16).equals("1E");
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}
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/**
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* Convert decimal number to another radix
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*
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* @param number the number to be converted
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* @param radix the radix
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* @return another radix
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* @throws ArithmeticException if <tt>number</tt> or <tt>radius</tt> is invalid
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*/
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private static String convert(int number, int radix) {
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if (radix < 2 || radix > 16) {
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throw new ArithmeticException(
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String.format("Invalid input -> number:%d,radius:%d", number, radix));
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}
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char[] tables = {
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'0', '1', '2', '3', '4',
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'5', '6', '7', '8', '9',
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'A', 'B', 'C', 'D', 'E', 'F'
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};
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Stack<Character> bits = new Stack<>();
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do {
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bits.push(tables[number % radix]);
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number = number / radix;
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} while (number != 0);
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StringBuilder result = new StringBuilder();
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while (!bits.isEmpty()) {
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result.append(bits.pop());
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}
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return result.toString();
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}
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}
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