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Definition
| Integrated Development Environment (e.g. Netbeans)1 |
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| names in a programming language (e.g. variables, class names, method names) |
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| string/glue together (use '+') |
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give curly braces their own lines
(as opposed to end-of-line style) |
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Term
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either true or false
(a boolean expression can also be called condition, conditional expression, binary expression) |
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Definition
return true or false but the operands are not boolean
(aka Java comparison operators)
ex: ==, <, >= |
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Definition
return true or false and the operands are both boolean values
(aka logical operators)
ex: &&, ||, ! |
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Definition
| statements that control the next step the program will take |
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Definition
| straight line, step-by-step |
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| branching (ex if, if-else, switch) |
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| looping (ex while, do for) |
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| variable doesn't change/stop, so the loop goes continuously |
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Definition
| loop goes one too many/few times, caused by using the wrong bounds |
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| dependent nested for loop |
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| loop within loop & inner loop depends on outer |
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Term
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Definition
| variable varName = console.readInt("lbahe: "); |
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Term
how to make a variable a constant
(also what case should constant be?) |
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Definition
final double PI = 3.14159
SHOULD_BE_CAPS |
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Term
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Definition
| translates written code into something computer can read |
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Definition
| syntax, semantics (runtime & logic) |
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Definition
| error in the grammar of the program (e.g. forgot a semicolon) |
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Definition
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| program works but produces the incorrect result |
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| numerical data types in order of big to small |
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byte, short, int, long
(floating:) float, double |
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Term
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Definition
(a=x^y)
a = Math.pow(x,y); |
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Term
| post-increment vs pre-increment |
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Definition
post: i++, evaluate with old value, then change i
pre: i--, update i before preforming expression |
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Term
| System.out.printf("%4.2f", var); |
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Definition
%=start here
4=width of thingy
.2=precision of thingy
var= variable |
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Term
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Definition
double someVar = 12.3;
int otherVar = (int)someVar; |
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| don't use 'em unless for switch statement |
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Definition
import java.util.Scanner;
Scanner scan = new Scanner(System.in);
System.out.print("ENter: ");
int heyThere = scan.nextInt(); |
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Term
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Definition
| assignment defines as new thing, comparison compares them like in if statement doesn't give new def. |
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