How do you declare an integer variable?
How do you declare an integer variable?
You can define a variable as an integer and assign a value to it in a single declaration. For example: int age = 10; In this example, the variable named age would be defined as an integer and assigned the value of 10.
Which type of variable can hold only one of two values true or false?
Boolean variable
What statement is used to specify the value that a method gives back to its caller?
cs124
| Question | Answer |
|---|---|
| What statement is used to specify the value that a method gives back to its caller? | return |
| Which of the following declares a sideLength instance variable for a Square class that stores an integer value? | private int sideLength; |
What is parameter passing in programming?
Parameter passing involves passing input parameters into a module (a function in C and a function and procedure in Pascal) and receiving output parameters back from the module. These are defined as the input parameters. The output parameters would be the two roots of the equation, such as root1 and root2.
What are control structures for in Java quizlet?
Terms in this set (10) What do we use control structures for in JavaScript? Control the flow of the program; how the commands execute.
What are the three basic types of control structures?
The three basic types of control structures are sequential, selection and iteration. They can be combined in any way to solve a specified problem. Sequential is the default control structure, statements are executed line by line in the order in which they appear.
What is the purpose of while loops?
The while loop is used to repeat a section of code an unknown number of times until a specific condition is met. For example, say we want to know how many times a given number can be divided by 2 before it is less than or equal to 1.
How do while loops work?
Overview. The while construct consists of a block of code and a condition/expression. This repeats until the condition/expression becomes false. Because the while loop checks the condition/expression before the block is executed, the control structure is often also known as a pre-test loop.
Which loop executes at least once if the condition is false?
do-while loop