BigDecimal b10 = new BigDecimal("10"); BigDecimal b3 = new BigDecimal("3"); // 나누기 결과가 무한으로 떨어지면 예외 발생 // java.lang.ArithmeticException: Non-terminating decimal expansion; no exact representable decimal result. int a = bigdemical.compareTo(bigdemical2) 返回结果分析： a = -1,表示bigdemical小于bigdemical2； a = 0,表示bigdemical等于bigdemical2； a = 1,表示bigdemical大于bigdemical2； 举例：a大于等于b The BigDecimal class should be used when we need accuracy and particular scale in our results. Java Code Editor: BigDecimal represents an immutable arbitrary-precision signed decimal number.It consists of two parts: Unscaled value – an arbitrary precision integer; Scale – a 32-bit integer representing the number of digits to the right of the decimal point

Ask Question Asked 8 years, 2 months ago. The java.math.BigDecimal.equals() method compares this BigDecimal with the specified Object for equality. This wrapper class operations are slightly slower compared to primitive types. 0.

他にも、compareToを使用して以下のような比較を行うことも可能です。 BigDecimal.

Virtually all Java core classes that implement Comparable have natural orderings that are consistent with equals. Return type. Translates a double into a BigDecimal which is the exact decimal representation of the double's binary floating-point value.The scale of the returned BigDecimal is the smallest value such that (10 scale × val) is an integer.

Zwei BigDecimal Instanzen kannst du per compareTo vergleichen: Java: public boolean isNegative(BigDecimal number) { return number.compareTo(BigDecimal.ZERO) < 0; } … Viewed 19k times 11. Verwendung von Vergleichsoperatoren wie>,=,

One exception is java.math.BigDecimal, whose natural ordering equates BigDecimal objects with equal values and different precisions (such as 4.0 and 4.00).

Usually, we require that two objects are equal if and only if they are compared as same .

This page provides Java code examples for java.math.BigDecimal.compareTo. For BigDecimal things are really … Following is the declaration for java.math.BigDecimal class − public class BigDecimal extends Number implements Comparable Field.

Let’s see compareTo method with the help of example.

Aug 2012 #4 ZERO ist eine statische Konstante, daher sollte man die so nutzen: BigDecimal.ZERO. Usually, we require that two objects are equal if and only if they are compared as same The java.math.BigDecimal.equals() method compares this BigDecimal with the specified Object for equality. I'm implementing compareTo() method for a simple class such as this (to be able to use Collections.sort() and other goodies offered by the Java platform):. b10.divide(b3); // 반올림 정책을 명시하면 예외가 발생하지 않음 // … Unlike compareTo, this method considers two BigDecimal objects equal only if they are equal in value and scale (thus 2.0 is not equal to 2.00 when compared by this method). public class Metadata implements Comparable { private String name; private String value; // Imagine basic constructor and accessors here // Irrelevant parts omitted }

While going through compareTo(T o) method in the Comparable interface, I came across a very interesting finding of BigDecimal equals versus compareTo and though about sharing about it. Unlike compareTo, this method considers two BigDecimal objects equal only if they are equal in value and scale (thus 2.0 is not equal to 2.00 when compared by this method). BigDecimalの compareTo メソッドを使用します。 public int compareTo（BigDecimal val）このBigDecimalを指定されたBigDecimalと比較します。 Returns:-1, 0, or 1 as this BigDecimal is numerically less than, equal to, or greater than val. CompareTo method returns -1,0,1-1 : First BigDeicmal is less than second BigDecimal 0 : First BigDecimal is equal to second BigDecimal 1 : First BigDecimal is greater than second BigDecimal BigDecimal CompareTo example.

Which one is the best way of comparing a BigDecimal and an int in Java : coverting the BigDecimal to int or converting int to BigDecimal ? 28. BigDecimal Class in Java The BigDecimal class provides operations on double numbers for arithmetic, scale handling, rounding, comparison, format conversion and hashing.

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以下のようにBigDecimalを使用して比較できます。 import java.math.BigDecimal; class Main{ public static void main (String[] args){ BigDecimal three = new BigDecimal(3); Comparing BigDecimal and int in Java.



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