Description
1. A (5 points) Define the term “algorithm”.
B (5 points) What is UML?
What is it good for?
C (3 points) Write a
program that decides whether integer number input1 can be divided by integer
number input2 without remainder. The
program should output “No Remainder” if there is no remainder and “Remainder
is: ” if there is any. In this latter
case, the program should output the value of the remainder as well.
D (6 points) Write
a program line that generates the following stream output
2. A
(6 points) What is compilation?
What does the
compiler do? (Explain with your own
words.)
B (7 points) How many
control statements does Java have?
There are 7 control
statements in Java:
Name the control statements
of Java.
Give at least 1
example for each.
C (5
points) Draw an activity diagram for the
following piece of code:
D (8 points) Write
a FOR loop that sums even integers from 4 through 54 AND
prints out the FINAL result only.
3. A (3
points) Write a piece of code in Java that
sets the value of “int Number” randomly from the following set: {404, 405, 406, 407, 408}.
B (5 points) Write a program segment in java that
sets the value of “int Number” randomly from the following set: {404, 405, 406, 407, 411}. !
C (11 points)Pythagorean Triples. The set of three integer values for the
lengths of the sides of a right triangle is called a Pythagorean Triple. These three sides must satisfy the
relationship that the sum of the squares of two of the sides is equal to the
square of the hypotenuse.
Specifically:
a*a + b*b = c*c
is true if and
only of the triangle is a right triangle.
Write a method that
gets 3 input integers and checks whether those in any order represent a
Pythagorean Triple. The method returns
‘p’ if the numbers are of Pythagorean Triples and returns ‘n’ otherwise.
D (11 points)Write a program that prints out primes
in a decreasing order between 1 and 59.
(1 is considered to be a prime here.)
4. A (7 points) An
enhanced for statement loops through an array. The syntax is for ( parameter : arrayName ) statement
How would you use a
regular for
statement to replace an enhanced one
Draw the
activity diagram of the enhanced for. (Parameter goes in order for first
to last, no index needed)
B (7 points)Write a program that prints the
following array’s values in descending order
C (7 points) A
palindrome is a number or text phrase that reads the same backwards as
forwards. For example, each of the
following five-letter words is a palindrome: abcba, ghihg, bbbbb.
Write a program containing a method that
determines whether a five-digit word is a palindrome.
D (4 points)What does the following program do? Explain
line-by-line and then give the output.
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