e.getmessage java code example

Example 1: print exception in java

try
        { 
            int a = 20/0; 
        } catch (Exception e) 
        { 
            // getMessage method 
            // Prints only the message of exception 
            // and not the name of exception 
            System.out.println(e.getMessage()); 
              
            // Prints what exception has been thrown 
            System.out.println(e); 
        }

Example 2: 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");
    }
}