Sqrt in Java 20

To get the square root of a number in Java, you can use the Math.sqrt method.

Here's an example code:

public class SquareRootDemo {
   public static void main(String[] args) {
      double number = 20;
      double squareRoot = Math.sqrt(number);
System.out.println("Square root of " + number + " is " + squareRoot);

   }

}

Output:

Square root of 20.0 is 4.472136

In the above code, sqrt method is used to find the square root of 20 and assigned to a variable squareRoot. The println method is used to output the result.