Exam 1: Creating Java Programs

Match each term with the correct statement below. -A GUI object resembling a window in which you can place messages you want to display

When you run a Java application using the ____ command, do not add the .class extension to the filename.

If you modify a class, what are the steps you must take to see your changes in the executing program?

When you define a Java class using an identifier, what are the requirements you need to know?

____ refers to the hiding of data and methods within an object.

public class Hello { public static void main(String[] args) { _________________________ } { Using the given code, write the statement in the main() method body that will produce the output "Hello to all!".

Match each term with the correct statement below. -Translates an entire program before carrying out the statement

A ____ is an error not detected until the program asks the computer to do something wrong, or even illegal, while executing.

Match each term with the correct statement below. -Allow you to assign intuitive names to areas of computer memory

A program written in ____ is the most basic circuitry-level language.

The ____________________ is also called the Java class library; it contains information about how to use every prewritten Java class, including lists of all the methods you can use with the classes.

Regarding code layout, what would be an equally valid and legal way to write the following Java code: public static void main(String[] args) { System.out.println("First Java application"); }

public class FindMyErrors { public static void main(String[] args) { System.out.println("My application with errors) } Given the above code, identify three separate syntax errors.

Match each term with the correct statement below. -Any combination of nonprinting characters

You use an import statement when you want to access a built-in Java class that is contained in a group of classes called a(n) ____________________.

Although not a requirement, it is Java standard that class identifiers begin with an uppercase letter and use other uppercase letters to improve readability.

System software is used for tasks such as word processing, calculations and playing games.

A(n) ____________________ error occurs when the syntax of the program is correct and the program compiles but produces incorrect results when you execute it.

Line comments start with ____.

Explain the purpose of arguments and why it is necessary to pass arguments to a method.