## How do you find the square root of a number without using the square root function in Java?

FindSquareRootExample2.java

- import java.util.Scanner;
- public class FindSquareRootExample2.
- {
- public static void main(String[] args)
- {
- double number = 0, sqrt=0;
- //object of the Scanner class.
- Scanner sc = new Scanner(System.in);

## What is math sqrt in Java?

The Java Math sqrt() method returns the square root of the specified number. The syntax of the sqrt() method is: Math.sqrt(double num) Here, sqrt() is a static method.

## How do you square a number in Java?

Squaring a number in Java can be accomplished in two ways. One is by multiplying the number by itself. The other is by using the Math. pow() function, which takes two parameters: the number being modified and the power by which you’re raising it.

## How do you call pi in Java?

An Example

- import java. lang. Math. *;
- public class Pie {
- public static void main(String[] args) {
- //radius and length.
- double radius = 5;
- double len = 15;
- // calculate the area using PI.
- double area = radius * radius * Math. PI;

## What is print () in Java?

print(): print() method in Java is used to display a text on the console. This text is passed as the parameter to this method in the form of String. This method prints the text on the console and the cursor remains at the end of the text at the console. The next printing takes place from just here.

## What is Floor in Java?

The java. lang. Math. floor(double a) returns the largest (closest to positive infinity) double value that is less than or equal to the argument and is equal to a mathematical integer. … If the argument is NaN or an infinity or positive zero or negative zero, then the result is the same as the argument.

## What is NaN in Java?

In Java, “NaN” stands for “not a number” and signifies that a value is not defined. “NaN” is not an exception error, but a value that is assigned. For example, imaginary numbers like the square root of negative numbers or zero divided by zero will both print “NaN” as the result.