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block comments
the compiler will ignore these
e.g.
/* hello world! */
class declaration
identifies name, start, and end of class
class name MUST match the file name
main method
controls all the action in the program
System.out
object that generates output to console
output
what the computer makes from the input
what comes out as a result of the code
console
where the output is printed
System.out.print
display whatever is in parentheses on screen but waits @ the end of the line for more info to display
the compiler assumes that the next thing you print will be on the same line
System.out.println: displays what is in parentheses. the next thing printed after this command will be on another line
compiler
translates the code in the IDE into the output in the console
object-oriented
organizes software design around data & objects, not functions & logic
e.g. Java
