Module seppiko.commons.utils
Package org.seppiko.commons.utils

Class MathUtil

java.lang.Object
org.seppiko.commons.utils.MathUtil
public class MathUtil extends Object
Math Util
Author:
Leonard Woo

  • Constructor Details

    • MathUtil

      public MathUtil()

  • Method Details

    • maxDecimal

      public static BigDecimal maxDecimal​(List<BigDecimal> nums) throws NoSuchElementException
      BigDecimal list max number
      Parameters:
      nums - number list
      Returns:
      maximum
      Throws:
      NoSuchElementException - list is null

    • maxInteger

      public static BigInteger maxInteger​(List<BigInteger> nums) throws NoSuchElementException
      BigInteger list max number
      Parameters:
      nums - number list
      Returns:
      maximum
      Throws:
      NoSuchElementException - list is null

    • minDecimal

      public static BigDecimal minDecimal​(List<BigDecimal> nums) throws NoSuchElementException
      BigDecimal list min number
      Parameters:
      nums - number list
      Returns:
      minimum
      Throws:
      NoSuchElementException - list is null

    • minInteger

      public static BigInteger minInteger​(List<BigInteger> nums) throws NoSuchElementException
      BigInteger list min number
      Parameters:
      nums - number list
      Returns:
      minimum
      Throws:
      NoSuchElementException - list is null

    • avgDecimal

      public static BigDecimal avgDecimal​(List<BigDecimal> nums, RoundingMode roundingMode)
      BigDecimal list avg number
      Parameters:
      nums - number list
      roundingMode - RoundingMode
      Returns:
      average

    • avgDecimal

      public static double avgDecimal​(List<BigDecimal> nums) throws NoSuchElementException
      BigDecimal list avg number
      Parameters:
      nums - number list
      Returns:
      average double
      Throws:
      NoSuchElementException - list is null

    • avgInteger

      public static BigDecimal avgInteger​(List<BigInteger> nums, RoundingMode roundingMode)
      BigInteger list avg number
      Parameters:
      nums - number list
      roundingMode - RoundingMode
      Returns:
      average

    • format

      public static String format​(String precisionPattern, double number)
      Double format
      Parameters:
      precisionPattern - precision pattern, e.g. 0.00
      number - double number
      Returns:
      formatted string

    • convertDecimalTo

      public static String convertDecimalTo​(long num, char[] alphabet)
      Convert decimal to alphabet number
      Parameters:
      num - number (greater than 0)
      alphabet - alphabet
      Returns:
      alphabet base, if num lass than 1 will return null

    • convertToDecimal

      public static Long convertToDecimal​(CharSequence num, char[] alphabet)
      Convert any base to decimal
      Parameters:
      num - number
      alphabet - base
      Returns:
      if return null than num parser failed