Question 1

Match between columns
                        Premises: The characteristics that define an object
A GUI object resembling a window in which you can place messages you want to display
A low-level programming language
Allow you to assign intuitive names to areas of computer memory
The rules for the programming language
Series of characters that will appear in output exactly as entered
Translates an entire program before carrying out the statement
Any combination of nonprinting characters
Hypothetical computer used to run a Java program

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Question 2

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

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Question 3

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!".

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{ 
   public static...

Question 4

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.

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The answer of public class FindMyErrors 
{ 
   public static...

Question 5

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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Question 6

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

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Question 7

Briefly describe the elements of the main() method: 
public static void main(String[] args) 
{ 
Java code... 
}

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Question 8

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

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Question 9

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

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Question 10

Identify why a class named first would be different from a class named FIRST . Explain why it is important to be aware of uppercase and lowercase values when writing Java programs?

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Question 11

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

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Given the above code,...

Question 12

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?

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The showMessageDialog() method...

Question 13

Why is it important for programmers to use program comments?

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Question 14

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

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Question 15

What are the two main types of Java programs?

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Question 16

Write a line comment and block comment for the following line of code identifying the author, date, and purpose of the method. In addition, explain the difference between comments that consist of a double-slash (//) and those that have a starting and ending slash asterisk (/* .. */). 
System.out.println("Hello Students");

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Question 17

Describe the components (objects and classes) that are used in the statement System.out.println() .

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Question 18

Once an application is written and saved, the Java class must be compiled. Describe what two procedures must occur in order to view the output of the application.

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Question 19

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

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Question 20

What happens after a programmer successfully compiles a Java program named "First.java"?

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Quiz 1: Creating Java Programs

Match each term with the correct statement below.

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

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!".

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.

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"); }