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Exam 1: Creating Java Programs

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Question 31

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Regarding code layout, write the following Java code using a common alternate placement of the first curly brace: public static void main(String[] args) { System.out.println("First Java application"); }

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public static void m...

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Question 32

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

A) Java
B) machine language
C) BASIC
D) C

E) C) and D)
F) B) and D)

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Question 33

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Line comments start with ____.

Provide examples of logic errors. How do programmers minimize logic errors in their code?

Match each term with the correct statement below.

In Java, whitespace is optional but useful. Describe why and how whitespace can be used in coding?

System.out.println("First Java application"); Given the above code, identify and describe the use of a literal string and the use of parentheses.

A(n) ____ defines the circumstances under which a class can be accessed and the other classes that have the right to use a class.

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

Why is creating a GUI environment for users a natural use for object orientation?

What are the two main types of Java programs?

If you receive an error that states, "Exception in thread 'main' java.lang.NoClassDefFoundError," when you try to execute the application, you probably do not have your ____ set correctly.

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

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

   public class First    {      public static void main(String[] args)      {         System.out.println("First Java application") ;      }    } Given the above code, which item identifies the method's return type?

public class First {    public static void main(String[] args)    {       System.out.println("First Java application") ;    } } Given the above code, which item identifies the name of the class?

JOptionPane.showMessageDialog(null, "Show my message"); The showMessageDialog() method above requires two arguments. What are the two arguments and what is the purpose of each argument?

After a successful compile, you can run the class file on any computer that has a ____.

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

What are some of the reasons the javac command might not be recognized?