# Quick Answer: What does F represent in Java?

Contents

## What does F mean at the end of a number?

D stands for double and F stands for float. You will occasionally need to add these modifiers, as 5 is considered an integer in this case, and 3.0 is a double. https://stackoverflow.com/questions/4331200/what-do-f-and-d-mean-at-the-end-of-numeric-literals/4331213#4331213.

## What does F do in C++?

f makes the number float type.

## Is 1.0 double or float?

3 Answers. The expression 16777217 * 1.0f is of type float and 16777217 cannot be represented exactly in a float (in IEEE-754) while it can be represented exactly in a double .

## What is D after number in Java?

1 Answer. Sufix d after number means double , sufix f means float . You can express double literal in eight ways: 1.0 , 1d , 1D , 1.0d , 1.0D , 1. , 1. d , 1.

## What F means?

f. is an abbreviation for ‘following‘. It is written after a page or line number to indicate that you are referring to both the page or line mentioned and the one after it. … F or f is a written abbreviation for words beginning with f, such as ‘female’, ‘feminine’, ‘franc’, ‘ false’, and ‘Fahrenheit’.

## Why do we use F in float?

The “F” indicates that the literal numeric value it is appended to is a float value. This is necessary information for the compiler and if not present can lead to errors or the compiler otherwise interpreting the number incorrectly.

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## What is 0f float?

Answer by softrare · Jul 10, 2012 at 09:41 AM. Those are float values. 0f = , 5f = 5 and 1.2f is simply 1.2 just in float notation.

## What is scanf () in C?

In the C programming language, scanf is a function that reads formatted data from stdin (i.e, the standard input stream, which is usually the keyboard, unless redirected) and then writes the results into the arguments given.

## What is 0.5 F in C++?

The constant 0.5 declares a double in Objective-C, putting an f on the end – 0.5f declares the constant as a (32-bit) float. Take a look at “f” after number/float in Objective-C/C post.

## What is a long float?

The long float is a K&R C first edition type that existed. It is synonymous with double . After the first standard C89/C90, long float is removed. It is not deprecated.

## How do you declare a float?

You can define a variable as a float and assign a value to it in a single declaration. For example: float age = 10.5; In this example, the variable named age would be defined as a float and assigned the value of 10.5.

## What is the difference between float and double?

A Double and Float are both used to represent decimal numbers, but they do so in slightly different ways. … For Float this means that it only has four decimal places while Double still has twelve.

## How long is represented in Java?

The long contains minimum value of -263 and a maximum value of 263-1. Its default value is 0L. Its default size is 8 byte. It is used when you need a higher range integer value.

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## What is the biggest data type in Java?

The largest integer number that a long type can represent is 9223372036854775807. If we deal with even larger numbers, we have to use the java.

Integers.

Type Size Range
byte 8 bits -128 to 127
short 16 bits -32,768 to 32,767
char 16 bits 0 to 65,535
int 32 bits -2,147,483,648 to 2,147,483,647