Day 12 samples

public class Day12A {
    public static void main(String[] args) {
        int i = 1, n = 5;

        do {
            System.out.println("do while: " + i);
            i++;
        } while (i <= n);
        i = 1;
        while (i <= n) {
            System.out.println("while: " + i);
            i++;
        }
        i = 1;
        for (int j = i; j <= n; j++) {
            System.out.println("for: " + j);
        }

        // i5 n0
        // i1 n1
    }
}

//------**********-------------


public class Day12B {
    public static void main(String[] args) {
        double[] numbers = {9.81, 42, 299.1, -1, 273};
        double sum = 0;

        for (double number : numbers) {
            System.out.println("+ " + number);
            sum += number;
        }
        System.out.println("= " + sum);

        System.out.println("*** for loop version ***");

        double[] numbers2 = {12, 44, 3.75, -4.44, 33};
        sum = 0;
        for (int i = 0; i < numbers2.length; i++) {
            double number = numbers2[i];
            sum += number;
            if (i < (numbers2.length - 1)) {
                System.out.print(number + " + ");
            } else {
                System.out.print(number + " = ");
            }
        }
        System.out.println(sum);
    }
}



//------**********-------------

import java.util.Scanner;

public class Day12C {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        double newNumber = 0;
        double total = 0;
        //we are limited with what we have discussed
        System.out.println("addition(type 0 to end)");

        do {
            System.out.print("+ ");
            newNumber = sc.nextDouble();
            total += newNumber;
            System.out.println("= " + total);
        } while (newNumber != 0);
    }
}
//------**********-------------
public class Day12D {

    public static void main(String[] args) {
        //para magamit si display method, gagawa tayo ng instance
        // ng class na ito
        Day12D callMe = new Day12D();
        callMe.display();

        //kapag static wala na initialization sa kapwa nya static
        myMethod();
    }

    void display() {
        Day12AccessTest2 callTest2 = new Day12AccessTest2();
        //import galing week1training package
        System.out.println("Hello World!");
        System.out.println("from this folder " + callTest2.bookTitle4);
        System.out.println("from this folder " + callTest2.bookTitle5);
        System.out.println("from this folder " + callTest2.bookTitle6);
    }

    static void myMethod() {
        System.out.println("This is a print from a static method");
    }
}
//------**********-------------

public class Day12AccessTest2 {
    private String bookTitle3 = "Jurassic Park";
    public String bookTitle4 = "The Andromeda Strain";
    String bookTitle5 = "Harry Potter";
    protected String bookTitle6 = "The Hobbit";
}