Oct 10, 2018 · The Java.DoubleAccumulator.longValue() is an inbuilt method in java that returns the current value as a long after a narrowing primitive conversion. It means the initial datatype is double which is explicitly converted into type long.

Jan 30, 2022 · There can be many approaches to converting double data to long data types. Some of them are listed below: Using Typecasting. Using Double.longValue () method. Using Math.round () method. Using Long.parseLong () along with String methods. This is the simplest method to convert double to long data type in Java. Syntax: Example:

Sep 21, 2017 · Guava Math library has a method specially designed for converting a double to a long: You can use java.math.RoundingMode to specify the rounding behavior. If you have a strong suspicion that the DOUBLE is actually a LONG, and you want to. 1) get a handle on its EXACT value as a LONG. 2) throw an error when its not a LONG.

Jan 8, 2024 · In this article, we’ve discussed various methods to convert double to long in Java. It’s advisable to have an understanding of how each method behaves before applying it to mission-critical code.

Sep 16, 2010 · Is there any way to convert a Long data type to Double or double? For example, I need to convert 15552451L to a double data type. You could simply do : Or you could get double from Long object as : Don't need any string parsing there: Long.valueOf(15552451L).doubleValue() if you want to go via Long.

Learn how to efficiently convert Double to Long in Java with practical examples and detailed explanations. Perfect for beginners and experienced developers alike.

In this tutorial, you will learn how to convert a double value to a long in Java. We’ll explore explicit casting, handle potential precision loss, and demonstrate examples of rounding techniques for accurate results.

The Double.longValue() method in Java is a straightforward way to convert Double objects to long primitives. By understanding how to use this method, you can efficiently handle tasks that involve converting Double objects to long primitives in your Java applications.

Apr 14, 2025 · Java convert double to Long – We have different ways to convert a double value to a long value or from long to double. Apart from the given program, you can check out the list of over 500+ Java programs with sample examples and outputs. Methods we used to convert double to long/ long to double:

Learn about the Java Double class and its longValue method to convert a double to a long value with examples.