import java.util.ArrayList;

public class NumberFormatExceptionImplementation {

    public static void main(String args[]){

        ArrayList<String> arr = new ArrayList<>();
        arr.add("100.30");
        arr.add("Hello.100");
        arr.add("20.45");
        arr.add("30");
        arr.add("20World");


        try {
            for(int i=0;i<arr.size();i++){
                for(int j=i;i<arr.get(i).length();i++){
                    if(arr.get(i).charAt(j)=='.'){
                        System.out.println("Double Converted: "+Double.parseDouble(arr.get(i)));
                    }else{
                        System.out.println("Integer Converted: "+Integer.parseInt(arr.get(i)));
                    }
                }
            }
        } catch (NumberFormatException e) {
            System.out.println(e);

        }
    }

}