Crowdly

What is the difference between a constant and a variable?

A constant's value remains unchanged during its entire existence

Constants and variables are the exact same thing.

Constants can only be assigned numerical values.

A constant can hold more than one value at once.

Which one of the following is not true about Assignment Statements?

The assigned value must match the variable's data type.

The variable's current value is overwritten by the newly assigned value.

The assignment operator is a plus sign '+'

The expression on the right is processed and the result is stored in the variable on the left.

double score;

int points = 10;

score = points;

The code above is an example of what type of conversion?

A Narrowing conversion

A widening conversion

When do we normally design algorithms?

If our code does not work

Before writing our code

After we are done coding

Choose a description from the ones listed below that best describes the following flowchart:

Read age value from user and store in age variable. Display "too young" message if age value was less than 16. Otherwise, display "too old" message if age value was larger than 32. Otherwise, display "eligible" message.

Read age value from user and store in age variable. Display "too old" message if age value was larger than 32. Otherwise, display "too young" message if age value was less than 16. Otherwise, display "eligible" message.

Read age value from user and store in age variable. Display "eligible" message if age is between 16 and 32. Otherwise, display "too young" message if age value was less than 16. Otherwise, display "too old" message if age value was larger than 32.

What does the following code do?

double total = 100.50;

total = 200.75;

System.out.println(total);

It causes a compilation error

It prints the value 100.50

It throws an exception during runtime