1. QUIZ 5 – RESULT

2. QUIZ 5 RESULT Total number of Students = 24 Pass = 14 Fail = 10 Marks7 2 6 4 5 8 3 1
Total number of Students = 24
Pass = 14
Fail = 10

3. QUIZ 5 – SOLUTION

4. Question 1: How many times will the following loop execute
Question 1: How many times will the following loop execute? for (j=1; j<=3; j--);
for (initialization; continuation condition, decrement)
j=1 true j=0
true j= -1
true j= -2
true j= -3
true j= -4
true j= -5
Condition never FALSE / LOOP FOREVER (E)
A - 1
B - 2
C - 3
D - Never
E – Forever

5. Question 2: What is the output of the following program fragment?
for ( int j = 0; j < 5; j++ ) {
System.out.print( j + " " ); }
System.out.println( );
Initialization Condition Print Increment
j = TRUE = 1
j = TRUE = 2
j = TRUE = 3
j = TRUE = 4
j = TRUE = 5
j = FALSE EXIT
Answer:

6. Question 3: What is the output of the following program fragment?
for ( int j = 10; j > 5; j-- ) {
System.out.print( j + " " ); }
Initialization Condition Print Decrement
j = TRUE = 9
j = TRUE = 8
j = TRUE = 7
j = TRUE = 6
j = TRUE = 5
j = FALSE EXIT

7. Question 4: What must the test be so that the following fragment prints out the integers, 5 through and including 15?
for ( int j = 5; ________; j++ ) {
System.out.print( j + " " ); }
Initialization Condition Print Decrement
Answer: j<=15

8. Question 5: What must the change be so that the following fragment prints out the even integers ?
for (int j = 0; j <= 10; __________)
System.out.print( j + " " );
Initialization Condition Print Decrement
Answer: j = j + 2

9. Question 6: What must the initialization be so that the following fragment prints out the integers ?
for ( _______; j < 0; j++)
System.out.print( j + " " );
Initialization Condition Print Decrement
Answer: j = -3

10. Question 7: What is the output for this program?
int x = 1;
while (x < 5){
x++;
System.out.println(x); }
Initialization Condition Increment Print
x = 1 TRUE =2 2
x = 2 TRUE =3 3
x = 3 TRUE =4 4
x = 4 TRUE =5 5
x = 5 FALSE EXIT EXIT
Answer:

11. Question 8: What is the output for this program?
int z = 2;
int sum = 0;
while (z < 9){
z++;
sum=sum+z
System.out.println(sum); }
Answer:

12. Question 9: What is the output for this program?
int x = 1;
 do {
System.out.println(x);
x++;
} while (x < 5);
Initialization Print Increment Condition
X = = 2 TRUE
X = = 3 TRUE
X = = 4 TRUE
X = = 5 FALSE
EXIT EXIT EXIT EXIT
Answer:

13. Question 10: What is the output for this program?
INITIALIZATION
INCREMENT
CONDITION
(k < 11)
PRINT
(tot) k
tot
tot = tot + k
k++
k = 3
tot = 0
0 + 3 = 3
3 + 1 = 4
True
None
k = 4
tot = 3
3 + 4 = 7
4 + 1 = 5
k = 5
tot = 7
7 + 5 = 12
5 + 1 = 6
k = 6
tot = 12
= 18
6 + 1 = 7
k = 7
tot = 18
= 25
7 + 1 = 8
k = 8
tot = 25
= 33
8 + 1 = 9
k = 9
tot = 33
= 42
9 + 1 = 10
k = 10
tot = 42
= 52
= 11
FALSE 52
int k = 3;
int tot = 0;
do {
tot = tot + k;
k++;
} while (k < 11);
System.out.println(tot);
Answer: 52

14. MST REVISION Date: Friday 22th March Time: 12:00 – 2:00pm
Location: Lab 2

15. SECTION A: MULTIPLE CHOICE (8 marks)
Review Quiz 1 to Quiz 5
Review Activity 1 to 7
Lecture 1 to 13

16. SECTION B: SHORT ANSWER (32 marks)
OOP (advantages)
Loops (for loop, while loop, do while loop)
SELECTION STRUCTURES (IF and Else statement)
Syntax errors correction
If and else if vs if statement
Write and if statement code
Give selection structure code and ask question
Syntax errors correction (Ako e if and else statement ke ma’u lelei)
If and else if vs if statement (give two code and ask to compare)
Write an if statement code
Oop (Encapsulation)
Loop (differenciate)

17. SECTION C: PROGRAM WORKTHROUGH(20 marks)
LOOP

18. Review Questions

20. _____ / 3 evaluates to 6.
_______________________________________________________ ___________
_____ A test before loop will be executed at least once.

23. Explain and differentiate the three types of loop and how they work
Explain and differentiate the three types of loop and how they work. (6marks)
__________________________________________________________________
Compare this source code below and explain the different when executed. (5 marks)
Code 1
Code 2