Answers for "try catch exeption"

java throw an exception

public static void main(String[] args) {
	Scanner kb = new Scanner(System.in);
    System.out.println("Enter a number");
    try {
    	double nb1 = kb.nextDouble();
    	if(nb1<0)
        	throw new ArithmeticException();
        else System.out.println( "result : " + Math.sqrt(nb1) );
    } catch (ArithmeticException e) {
        System.out.println("You tried an impossible sqrt");
    }
}

try catch exception

First try block try to handle it
if not then catch block will handle it.
Finally block will executed regardless
of the outcome

try catch

try {
  try_statements
}
catch (exception_var) {
  catch_statements
}
finally {
  finally_statements
}