# How do you write a floating point number in Java?

## How do you write a floating point number in Java?

Example 1

1. public class FloatExample1 {
2. public static void main(String[] args) {
3. float num1=5.5f;
4. float num2=5f;
5. System.out.println(“num1: “+num1);
6. System.out.println(“num2: “+num2);
7. }
8. }

How are floating-point numbers represented in Java?

Floating-point numbers are used to represent numbers that have a decimal point in them (such as 5.3 or 99.234). Whole numbers can also be represented, but as a floating point, the number 5 is actually 5.0. In Java, floating-point numbers are represented by the types float and double.

How many digits is a float Java?

Java float and Java Double Comparison Table

BASIS FOR COMPARISON Java Float Java Double
Precision Float precision is 6 to 7 decimal digits Double can provide precision up to 15 to 16 decimal points.
Range Float is having a lower range when compared to double. Double has a higher range.

### How do you write numbers in floating points?

Like scientific notation, floating-point numbers have a sign, mantissa (M), base (B), and exponent (E), as shown in Figure 5.27. For example, the number 4.1 × 103 is the decimal scientific notation for 4100. It has a mantissa of 4.1, a base of 10, and an exponent of 3.

What is float number with example?

A floating point number, is a positive or negative whole number with a decimal point. For example, 5.5, 0.25, and -103.342 are all floating point numbers, while 91, and 0 are not. Floating point numbers get their name from the way the decimal point can “float” to any position necessary.

How do you represent 1 in a floating-point?

Eight digits are used to represent a floating point number : two for the exponent and six for the mantissa. The sign of the mantissa will be represented as + or -, but in the computer it is represented by a bit: 1 means negative, 0 means positive.

#### How do you write 1.5 in binary?

The equivalent binary fraction is obtained by writing the integral parts of each product to the right of the binary point in the same sequence….

Decimal Numbers to Binary Number Conversion Table
Multiplication Integer Fraction
0.75 × 2 = 1.5 1 .5
0.5 × 2 = 1.0 1 0

What are floats in Java?

Float and double are two of the data types used to represent decimal values or floating point literals in the Java programming language. Floats can represent decimal values up to 7 digits of precision, and double can represent decimal values up to 16 digits of precision.