java division of 2 numbers with decimal places

https://w‮‬ww.lautturi.com
java division of 2 numbers with decimal places

To perform division with decimal places in Java, you can use the / operator to divide two numbers and assign the result to a variable of a type that can hold decimal values, such as double or BigDecimal.

Here's an example of how to divide two int values and assign the result to a double variable:

int x = 10;
int y = 3;
double result = (double) x / y;
System.out.println(result);  // Outputs: 3.3333333333333335

This will output the result with as many decimal places as necessary to represent the exact value of the division.

Alternatively, you can use the BigDecimal class to perform division with decimal places and control the precision of the result.

Here's an example of how to do this:

int x = 10;
int y = 3;
BigDecimal result = BigDecimal.valueOf(x).divide(BigDecimal.valueOf(y), 2, RoundingMode.HALF_UP);
System.out.println(result);  // Outputs: 3.33

This will divide x by y and round the result to 2 decimal places using half-up rounding.

It's important to note that division with decimal places can be subject to precision loss due to the limited precision of the double type and the rounding behavior of the BigDecimal class. It's always a good idea to verify the accuracy of the result and choose the appropriate data type and rounding mode for your application.

Created Time:2017-11-03 15:57:11  Author:lautturi