BCS2233 OOP. Lab 1 Jun 2017

1. Show output of the following java program.

 click here to download the file.

 

public class demomethod2 {

    

    public static void main(String[] args) {

    ucapan("Selamat Berpuasa");

    kepala();

    tangan();

    badan();

    kaki();

    ucapan("Maaf Zahir Batin");

   

    }

public static void kepala(){

        System.out.println("      *");

    System.out.println("    *   *");

    System.out.println("   * O O *");

    System.out.println("  *   |   *");

    System.out.println("   *  _  *");

    System.out.println("    *   *");

    System.out.println("      **");

}

public static void tangan(){

System.out.println("***************");

}

public static void badan(){

        System.out.println("      **");

    System.out.println("      **");

    System.out.println("      **");

    System.out.println("      **");

}

public static void kaki(){

        System.out.println("     ** **");

    System.out.println("    **   **");

    System.out.println("    **   **");

    System.out.println("    **   **");

    System.out.println("  ****   ****");

}

public static void ucapan(String msg ){

int i;

for (i=1;i<=3;i++){

System.out.println(msg);

}

}

}

 2. Write method headers for the following methods: 

a. Computing a sales commission, given the sales amount and the commission rate.

b. Printing the calendar for a month, given the month and year.

c. Computing a square root.

d. Testing whether a number is even, and returning true if it is.

e. Printing a message a specified number of times.

3. Implements a method for Question 2 a,d and e. Write a test program that invokes these methods.

4. (Conversions between feet and meters) Write a class that contains the following

 method:

/** Convert from feet to meters */

public static double footToMeter(double foot)

The formula for the conversion is:

foot = 3.279 * meter

Write a test program that invokes these methods to display the following tables: