It’s much easier to format an int with printf than a float or double, because decimal precision is not a concern. Use %d as the placeholder specifier. Precede the letter d with a comma to add a ...

In the following example, the addition of 5.6 and 5.8 results in a value of 11.3999, not 11.4 For the most precise double calculations in Java, the JDK provides a special class named BigDecimal. For ...