Day 14

package week2;

public class Day14A {
    public static void main(String[] args) {
        Walking callWalking = new Walking();
        callWalking.summary();
    }
}

abstract class TransportationMethods {
    abstract void transpoInfo();
    abstract void traspoSpeed();
    abstract void transpoPassengers();

    void summary() {
        transpoInfo();
        traspoSpeed();
        transpoPassengers();
    }
}

class Walking extends TransportationMethods{
    void transpoInfo() {
        System.out.println("Walking is a type of cardiovascular physical activity,"
        +" which increases your heart rate. This improves blood flow and can lower blood pressure.");
    }

    void traspoSpeed() {
        System.out.println("A walking speed can reach up to 4.8 kph");
    }

    void transpoPassengers() {
        System.out.println("You are only carrying yourself when walking");
    }

}

// class Biking extends TransportationMethods{
//     void transpoInfo() {

//     }

//     void traspoSpeed() {

//     }

//     void transpoPassengers() {

//     }
// }


// class Motorcycle extends TransportationMethods{
//     void transpoInfo() {

//     }

//     void traspoSpeed() {

//     }

//     void transpoPassengers() {

//     }
// }


// class Airplane extends TransportationMethods{
//     void transpoInfo() {

//     }

//     void traspoSpeed() {

//     }

//     void transpoPassengers() {

//     }
// }


// class Ship extends TransportationMethods{
//     void transpoInfo() {

//     }

//     void traspoSpeed() {

//     }

//     void transpoPassengers() {

//     }
// }

//-- TRY CATCH SAMPLE ---------------------------
package week2;
import java.util.Scanner;

public class Day14D {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int cellNum;
        double[] numList = new double[5];
        String txtIn = "";

        System.out.print("enter cell number(0 - 4):");
        txtIn = sc.nextLine();
        if (isNumeric(txtIn)) {
            cellNum = (int) Double.parseDouble(txtIn);
            // kaya nag type casting kasi yung isNumeric ay pang double
            System.out.println("test cell num: " + cellNum);
        } else {
            cellNum = 0;
        }

        System.out.print("enter number for cell: ");
        txtIn = sc.nextLine();
        try {
            numList[cellNum] = Double.parseDouble(txtIn);
        } catch (ArrayIndexOutOfBoundsException e) {
            System.out.println("cell number bigger than array");
        } catch (NumberFormatException e) {
            System.out.println("user input not a number");
        }

        for (double d : numList) {
            System.out.println("|"+d);
        }
        // if (isNumeric(txtIn)) {
        //     numList[cellNum] = Double.parseDouble(txtIn);
        // } else {
        //     numList[cellNum] = Math.random()*22;
        // }
    }


    public static boolean isNumeric(String strNum) {
        if (strNum == null) {
            return false;
        }
        try {
            double d = Double.parseDouble(strNum);
        } catch (NumberFormatException nfe) {
            return false;
        }
        return true;
    }
}