Question

How to use BigDecimal class in Java

Answer 1

import java.math.BigDecimal;

public class MyClass {
    public static void main(String args[]) {
        BigDecimal a = new BigDecimal(99822838328382343.0);
        BigDecimal b = new BigDecimal(5.0);
        BigDecimal result = a.multiply(b); 
        
        System.out.println(result);
    }
}


/*

run:

499114191641911680

*/

 

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Answer 2

import java.math.BigDecimal;

public class MyClass {
    public static void main(String args[]) {
        BigDecimal a = new BigDecimal(3.0);
        BigDecimal b = new BigDecimal(5.5);
        BigDecimal result = a.divide(b, 10, BigDecimal.ROUND_UP);
        
        System.out.println(result);
    }
}


/*

run:

0.5454545455

*/

 

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