Exam 1: Creating Your First Java Classes

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

Given the statement:   System.out.println("First Java application"); out refers to ____.

Why is it important for programmers to use program comments?

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

____ describes the feature of languages that allows the same word to be interpreted correctly in different situations based on the context.

You must use the Java interpreter to translate the bytecode into executable statements before running a Java application.

If an object's methods are well written, the user is unaware of the low-level details of how the methods are executed, and the user must simply understand the interface or interaction between the method and the object.

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

Logic errors are easily identified when a program is compiled.

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

Dots (or periods) in a Java statement are used to separate the names of the components that make up the statement.

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

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

Java contains a class named ____ that allows you to produce dialog boxes.

In Java, the reserved keyword ____ means that a method is accessible and usable even though no objects of the class exist.

Locating and repairing all syntax errors is part of the process of ____ a program.