# Question: How To Get Square Root In Java?

## How do you find the square root in Java?

Method1: Java Program to Find the square root of a Number using java. lang. Math. sqrt () method

1. Parameter: x is the value whose square root is to be returned.
2. Return: This method returns the square root value of the argument passed to it.

## How do you square something in Java?

Java: How to square a number

1. 1) Square a number by multiplying it by itself. This is how you square a number by multiplying it by itself: int i = 2; int square = i * i;
2. 2) Square a number with the Math. pow method.
3. More power multipliers. In general I just multiply the number by itself to get the squared value, but the advantage of the Math.

## Is 3 a square root?

The process of multiplying a number times itself is called squaring. Numbers whose square roots are whole numbers, (or more accurately positive integers) are called perfect square numbers. List of Perfect Squares.

NUMBER SQUARE SQUARE ROOT
3 9 1.732
4 16 2.000
5 25 2.236
6 36 2.449

## What is the shortcut key for square root?

The Alt code for the symbol for the Square root is Alt +251 or 221A, then Alt+X. Follow these three simple steps to attach the symbol using the Alt code: – Position the pointer in the place where you want the square root symbol inserted. – Press and hold down the Alt key and type 251 from the numeric keypad.

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## IS 400 a perfect square?

400 is a perfect square. Because 20 * 20 = 400.

## Is 18 a perfect square?

In mathematics, a square is a product of a whole number with itself. For instance, the product of a number 2 by itself is 4. In this case, 4 is termed as a perfect square. A square of a number is denoted as n × n. Example 1.

Integer Perfect square
18 x 18 324
19 x 19 361
20 x 20 400
21 x 21 441