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12 Cards in this Set
- Front
- Back
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What does "JDK" stand for?
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Java Development Kit
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What does "IDE" stand for?
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Integrated Development Environment.
The NetBeans IDE is a tool that can compile and run Java programs and a text editor to write those programs |
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What does the 'class' statement do?
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class HelloWorld {
Translated into English, this line means, "Computer, give my Java program the name HelloWorld." |
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What does the 'main' statement do?
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public static void main (String[] arguments) {
This line tells the computer, "The main part of the program begins here." Applets don't use the 'main' statement. |
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Everything between squiggly bracket marks '{ and }' is called a what?
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Everything between the squiggly bracket marks '{ and }' are part of the same group. Each group is called a block.
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How do you create a comment?
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By prefacing the line with two slashes:
// This is a comment |
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What is an 'argument'?
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Extra information sent to a program is called an 'argument'.
Te first argument, if there is one, is provided one space after the name of the application. Each additional argument also is separated by a space. |
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What is a statement?
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Computer programs are a set of instructions that tell the computer what to do. Each instruction is called a 'statement'.
The following is a statement: int highScore = 450000; |
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What are expressions?
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Some statements are called 'expressions' because they involve a mathematical expression and produce a result.
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What two things must be included in a statement when creating a variable?
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1. The name of the variable
2. The type of information the variable will store |
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What type of variable is created using the 'int' part of this statement:
int number = 225 |
'int' declares the variable to be an integer
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What type of variable is creates using the 'float' variable declaration:
float gradePointAverage = 2.5 |
'float' declares the variable to have a decimal place
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