AP CSA RUNESTONE UNIT 1 VOCAB
1.0(1)
Studied by 6 people
Call Kai
Learn
Practice Test
Spaced Repetition
Match
Flashcards
Knowt PlayCard Sorting
1/22
Earn XP
Description and Tags
Last updated 2:34 PM on 2/9/23
Name | Mastery | Learn | Test | Matching | Spaced | Call with Kai |
|---|
No analytics yet
Send a link to your students to track their progress
23 Terms
1
New cards
**Compiler**
Software that translates the Java source code into the Java class file which can be run on the computer
2
New cards
**Compiler or syntax error**
An error that is found during the compilation
3
New cards
**Main method**
Where execution starts in a Java program
4
New cards
**Variable**
A name associated with a memory location in the computer
5
New cards
**Declare a Variable**
Specifying the type and name for a variable. This sets aside memory for a variable of that type and associates the name with that memory location
6
New cards
**Initializing a Variable**
The first time you set the value of a variable
7
New cards
**data type**
determines the size of memory reserved for a variable, for example int, double, boolean, String
8
New cards
**integer**
a whole number like 2 or -3
9
New cards
**boolean**
An expression that is either true or false
10
New cards
**Camel case**
One way to create a variable name by appending several words together and uppercasing the first letter of each word after the first word (myScore)
11
New cards
**Casting a Variable**
Changing the type of a variable using *(type) name*
12
New cards
**Operator**
Common mathematical symbols such as + for addition and \* for multiplication
13
New cards
**Compound assignment or shortcut operators**
Operators like x++ which means x = x + 1 or x \*=y which means x = x \* y
14
New cards
**modulo**
The % operator which returns the remainder from one number divide by another
15
New cards
**arithmetic expression**
a sequence of operands and operators that describe a calculation to be performed, for example 3\*(2 + x)
16
New cards
**operator precedence**
some operators are done before others, for example \*, /, % have precedence over + and -, unless parentheses are used
17
New cards
**double**
used to declare a variable of type double (a decimal number like 3.25)
18
New cards
**int**
used to declare a variable of type integer (a whole number like -3 or 235)
19
New cards
**String**
used to declare a variable of type String which is a sequence of characters or text
20
New cards
**System.out.print()**
Used to print output to the user
21
New cards
**System.out.println()**
used to print output followed by a newline to the user
22
New cards
**=**
used for assignment to a variable
23
New cards
\*, *+ - , / , %*
arithmetic operators
Note 
Flashcards (919)