How to check BigDecimal is greater than 0?

Using ‘compareTo’ method of BigDecimal, you can check whether given number is > 0 or not.

BigDecimal decimal1 = new BigDecimal("0.001");

if (decimal1.compareTo(BigDecimal.ZERO) == 1) {

         System.out.println(decimal1 + " is greater than 0");

}

App.java

package com.sample.app;

import java.math.BigDecimal;

public class App {

 private static void compare(BigDecimal decimal1, BigDecimal decimal2) {
  if (decimal1.compareTo(decimal2) == 1) {
   System.out.println(decimal1 + " is greater than " + decimal2);
  } else if (decimal1.compareTo(decimal2) == 0) {
   System.out.println(decimal1 + " is equal to " + decimal2);
  } else {
   System.out.println(decimal1 + " is less than " + decimal2);
  }
 }

 public static void main(String[] args) {
  BigDecimal decimal1 = new BigDecimal("0.001");
  BigDecimal decimal2 = new BigDecimal("0.00");
  BigDecimal decimal3 = new BigDecimal("1");
  BigDecimal decimal4 = new BigDecimal("-1");

  compare(decimal1, BigDecimal.ZERO);
  compare(decimal1, decimal2);
  compare(decimal1, decimal3);
  compare(decimal1, decimal4);

 }

}

Output

0.001 is greater than 0
0.001 is greater than 0.00
0.001 is less than 1
0.001 is greater than -1

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