WorksheetsIntro to Programming: data types, if/else, and loops
Total questions: 15
Worksheet time: 12mins
Click ALL answers which result in an "X" printed.
a = 3, b = 3, c = 3
a = 5, b = 4, c = 7
a = 1, b = 3, c = 5
a = 6, b = 4, c = 3
a = 5, b = 5, c = 3
What is output?
Jackson
Memorial
JacksonMemorial
There is no ouptut
Which of the following conditional statements is executed?
The if statement
if (z == 3) { ... }
The else if statement
else if (z < 5) { ... }
The else statement
else { ... }
None of them
What will be the value of after this set of conditional statements?
a += 2; means a = a + 2;
a += 3; means a = a + 3;
7
9
10
4
Which of these is the correct format for an "if/else" statement?
Which of these is the proper format of an "else/if" chain statement?
Which of the following includes the correct syntax for a for loop?
for(int i = 0, i<10, i++)
for(int i =0, run = 10)
for(int i = 0; run = 10)
for(int i = 0; i < 10; i++)
for(int i; i<10; i++) {} Why won’t this code segment run?
There is a missing semicolon at the end.
For should be capitalized
The person did not set the beginning value of i.
The person did not set the ending value of i.
Loop
Loops that have a predetermined beginning, end, and increment (step interval).
The action of doing something over and over again.
A description of the behavior of a command, function, library, API, etc.
To repeat in order to achieve, or get closer to, a desired goal.
Name the data type: false
String
boolean
int
None of the above
What data type would you use for storing the number of students in a class?
boolean
String
double
int
What data type would you use to store names of students?
String
char
boolean
None of these
How would you declare a variable storing the tax rate?
int taxRate = 5.1;
taxRate = "5.1";
double taxRate = 5.1;
double taxRate = "5.1";
How would you declare a variable that tells you that someone passed a class?
boolean passed = 'true';
boolean passed = true;
passed = true;
String passed = "true";
Which declaration will throw an error?
double num = 8;
int averageGrade = 89.7;
boolean done = false;
String done = "true";
