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Sq. root (Java)
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Sq. root (Java)
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import java.util.Scanner;
public class SquareRoot {
public static void main(String[] args) {
String input;
double sqrt,
roundoff; //Declaring Variable
System.out.println("To find Square Root"); //To print title Sq. root
System.out.println("Enter a Number : "); //Asking user input
Scanner keyboardInput = new Scanner(System. in ); //to get input
input = keyboardInput.nextLine(); // Getting value in variable
try {
// checking valid integer using parseInt() method
int number = Integer.parseInt(input);
if (number >= 0) // To display Output
{
sqrt = Math.sqrt(number);
roundoff = Math.round(sqrt * 100.0) / 100.0;
System.out.println("Square root = " + roundoff);
}
else {
System.out.println("Wrong Input! \n" + input + " is not a valid integer number ");
}
}
catch(NumberFormatException e) {
System.out.println("Wrong Input! \n" + input + " is not a valid integer number ");
}
}
}