Java Programming I

Question 1

To achieve platform independence, the Java virtual machine

Answer 1

interprets the bytecodes

Question 2

In NetBeans, what tool do you use to enter and edit source code?

Answer 2

code editor

Question 3

As you develop a Java program, you can use NetBeans to

Answer 3

all of the above

Question 4

Which of the following isn’t a benefit of a typical IDE for Java?

Answer 4

Your code compiles and runs faster.

Question 5

Bytecodes are

Answer 5

input to the Java interpreter

Question 6

To create a Java source file, you use a

Answer 6

text editor

Question 7

What window does NetBeans use to get input from a console application?

Answer 7

the Output window

Question 8

Since NetBeans does this automatically, you typically don’t need to

Answer 8

compile/build a project

Question 9

In NetBeans, the class that contains the main method for an application is known as the

Answer 9

main class

Question 10

One of the many things that differentiate Java from C, C++, and C# is . . .

Answer 10

The use of garbage collection so that the programmer does not have to manage memory.

Question 11

The NetBeans IDE stores all of the files for an application in a

Answer 11

project

Question 12

When you have two or more projects open in NetBeans, you can make it easier to run one project by setting it as the

Answer 12

main project

Question 13

What kind of Java program runs within a Java-enabled browser?

Answer 13

an applet

Question 14

What NetBeans feature can help you enter a method by displaying a list of methods that are available from an object or class?

Answer 14

the code completion feature

Question 15

A syntax error occurs when

Answer 15

there’s a syntax error in a Java statement

Question 16

Which of the following is not true of using a IDE to develop Java programs?

Answer 16

It’s harder to detect syntax errors.

Question 17

The extension for a Java source file is

Answer 17

java

Question 18

When NetBeans detects a statement that has a syntax error, what does it do?

Answer 18

it places a red wavy line under the statement

Question 19

What dialog box do you use to set the Java version for a project?

Answer 19

the Project Properties dialog box

Question 20

Which of the following is true?

Answer 20

Java programs can run on different platforms, like Windows and Unix, without being recompiled.