Java BigDecimal Best Practice

BigDecimalExample.java

import java.math.BigDecimal;
import java.math.RoundingMode;

public class BigDecimalExample {
    public static void main(String[] args) {
        // Creating BigDecimal objects using the String constructor
        BigDecimal value1 = new BigDecimal("123.456");
        BigDecimal value2 = new BigDecimal("123.4560");

        // Performing arithmetic operations with the HALF_UP rounding mode
        BigDecimal result1 = value1.add(value2).setScale(2, RoundingMode.HALF_UP);
        BigDecimal result2 = value2.subtract(value1).setScale(2, RoundingMode.HALF_UP);
        BigDecimal result3 = value1.multiply(value2).setScale(2, RoundingMode.HALF_UP);

        // Comparing values using the compareTo() method
        if (value1.compareTo(value2) == 0) {
            System.out.println("value1 is equal to value2");
        } else if (value1.compareTo(value2) < 0) {
            System.out.println("value1 is less than value2");
        } else {
            System.out.println("value1 is greater than value2");
        }

        // Printing results
        System.out.println("Result of value1 + value2: " + result1);
        System.out.println("Result of value2 - value1: " + result2);
        System.out.println("Result of value1 * value2: " + result3);
    }
}