Reference no: EM131227715

Problem 1

Create a complete Java program in a class named Bday that declares four variables and assigns appropriate values to them.

your birthday month (1-12)
your birthday day (1-31)
the birthday month of another student sitting near you today (1-12)
the birthday day of that same student near you (1-31)

Ask your neighbor for their name and for the proper numbers to store in the variables for his/her birthday. Then produce output in this format using your four variables:

My birthday is 9/19, and Suzy's is 6/14.

Problem 2 : Syntax errors(10)

The following program contains 9 mistakes! What are they? Copy and paste the following code into Jgrasp/Eclipse and correct the various mistakes.

public class Oops {
public static void main(String[] args) {
int x;
System.out.println("x is" x);

int x = 15.2; // set x to 15.2
System.out.println("x is now + x");

int y; // set y to 1 more than x
y = int x + 1;
System.out.println("x and y are " + x + and + y);
}
}

Problem 3:

Write a for loop that produces the song Bottles of Beer on the Wall:

10 bottles of beer on the wall, 10 bottles of beer
Take one down, pass it around, 9 bottles of beer on the wall

9 bottles of beer on the wall, 9 bottles of beer

Take one down, pass it around, 8 bottles of beer on the wall

... (output continues in the same pattern) ...

1 bottles of beer on the wall, 1 bottles of beer
Take one down, pass it around, 0 bottles of beer on the wall

Problem 4:

Write a complete Java program that produces this sequence of numbers using a for loop:

8
11
14
17
20
23

Problem 5:

Write a program to produce the following output using nested for loops. Use a table to help you figure out the patterns of characters on each line.

Test your loop expressions in Practice-It! using the checkmark icon above. Use your expressions in the loop tests of the inner loops of your code.

Problem 6:

Consider the following method for converting milliseconds into days:

// converts milliseconds to days
public static double toDays(double millis) {
return millis / 1000.0 / 60.0 / 60.0 / 24.0;

}

Write a similar method named area that takes as a parameter the radius of a circle and that returns the area of the circle. For example, the call area (2.0) should return 12.566370614359172. Recall that area can be computed as π times the radius squared and that Java has a constant called Math. PT.

Problem 7:

Write a method named pay that accepts two parameters: a real number for a TA's salary, and an integer for the number of hours the TA worked this week. The method should return how much money to pay the TA. For example, the call pay (5 . 50, 6 ) should return 33.0.

The TA should receive "overtime" pay of 1 V2. normal salary for any hours above 8. For example, the call pay (4.00, 11) should return (4.00 * 8) + (6.00 * 3) or 50.0.