# Question: How do you represent infinity in Java?

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## How do you find the infinity number in Java?

If you divide a number by zero, and the sign of both numbers is the same, the result is positive infinity. 0.0 divided by 0.0 is positive infinity, as is -34.0 divided by -0.0 .

Division by zero.

Constant Meaning
NEGATIVE_INFINITY Negative infinity
NaN Not a number

## Is infinity a number Java?

11 Answers. note: Infinity – Infinity is Not A Number.

## What is double in Java?

Java double is used to represent floating-point numbers. It uses 64 bits to store a variable value and has a range greater than float type.

## What happens if we divide by 0 in Java?

Dividing by zero is an operation that has no meaning in ordinary arithmetic and is, therefore, undefined. … According to the Java specification of the division operation, we can identify two different cases of division by zero: integers and floating-point numbers.

## What is the meaning of 1 0?

In mathematics, expressions like 1/0 are undefined. But the limit of the expression 1/x as x tends to zero is infinity. Similarly, expressions like 0/0 are undefined. … Thus 1/0 is not infinity and 0/0 is not indeterminate, since division by zero is not defined.

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## What is infinity in code?

As ironic as it may seem infinity is defined as an undefined number that can either be a positive or negative value. … In the world of computer science, infinity is generally used to measure performance and optimize algorithms that perform computations on a large scale application.

## What does infinity mean in Java?

JasvX. 2 Answers. +3. Double.POSITIVE_INFINITY is the infinity equivalent in Java and it represents a theoretical highest number.

## Can Java long be negative?

The reason why Java doesn’t throw an exception and you receive negative numbers has to do with the way numbers are stored. For a long primitive the first byte is used for indicating the sign of the number (0 -> positive, 1 -> negative), while the rest are used for the numeric value. This means that Long.

## What is the output of 1 0 in Java?

To answer the question, yes it is legal in Java, but 1/0 resolves to “infinity” and is treated differently from standard Doubles (or floats, or so on and so forth).

## Should I use float or double Java?

You should use double instead of float for precise calculations, and float instead of double when using less accurate calculations. Float contains only decimal numbers, but double contains an IEEE754 double-precision floating point number, making it easier to contain and computate numbers more accurately.

## Is double the same as float?

Double is more precise than float and can store 64 bits, double of the number of bits float can store. Double is more precise and for storing large numbers, we prefer double over float. … Unless we do need precision up to 15 or 16 decimal points, we can stick to float in most applications, as double is more expensive.

## Which is bigger double or long Java?

The main difference between long and double in Java is that long is a data type that stores 64 bit two’s complement integer while double is a data type that stores double prevision 64 bit IEEE 754 floating point. … In Java, both these data types require 8 bytes to store data.