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Level 110

First Java Programs


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Applet
small Java programs ALREADY translated into byte Code
(=)
Assignment Operator
Byte Code
Java compiles Code into __________ First
GUI
Graphical User Interface
Import Statement
program reads keyboard input using a scanner object
interpreter
An interpreter reads one statement from the source code, translates it to the machine code or virtual machine code, and then executes it right away
JVM
Java Virtual Machine
Just-in-Time Compilation
JIT
PARAMETER
A value that can be given to a function to get different results from the instructions
source code
A program written in a programming language such as Java
Statement
A syntactical unit in a program
Terminal I/O User Interface
view as seen from Java compiler
variable
a letter used to represent a number
Portable
a programing Language is __________ If It can be used on more than one type of computer without having to be Changed
Portable, Secure, Robust
Java is __________ (p), __________ (s), and __________ (r).
thread
A single task.
Program
A __________ virus infects program executable files.
Println
name of the message Will be printed out and the cursor Will be placed at the beginning of the next line
System.out
computer Sends message out to screen
;
Ends a Statement
Method Selector
(.)
Edit, Compile, Run
The three steps to creating a program are __________ (e), __________ (c), and __________ (r).
.Java
Java File created by user
.Java~
this File cannot be used for anything
.Class
byte Code form of the program that can be sent to other computer with Java
syntax error
An error caused by a statement that violates the rules of Java.
double
A data type that represents positive or negative floating point numbers.
integer
a whole number without any fraction part
Print
name of message Will be sent
Readability
How easy it is for your program to be read by anyone else