Term
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Definition
| object-oriented programming language |
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Term
| Java was invented when and by who? |
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Definition
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Term
| What was Java originally made for? |
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Definition
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Term
| What are the 7 characteristics of Java? |
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Definition
simple
reliable
dynamic
networking
secure
free
portable |
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Term
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Definition
| Web pages with additional functionality |
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Term
| What is a Java bytecode verifier? |
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Definition
it prevents loaded classes from accessing the system
(public-key encryption) |
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Term
| What is the Java extension BEFORE the class is compiled? |
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Definition
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Term
| What is the Java extension AFTER the class is compiled? |
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Definition
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Term
| What are the 3 types of Java applications? |
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Definition
Console
Graphical User Interface (GUI)
Applets |
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Term
| What are Console Applications? |
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Definition
- text-based
- support only via command prompt |
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Term
| What are GUI Applications? |
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Definition
| depend on computer mouse for input |
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Term
| What are Applets [Applications]? |
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Definition
- small GUI Applications
- can be run within Web pages |
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Term
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Definition
- Integrated Development Environment (IDE)
- used to compile and run Javascripts |
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Term
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Definition
| tells computer to create object from class |
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Term
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Definition
| indicates class/method/variable can be accessed by any object/method directly |
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Term
| How do you identify a single line comment? |
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Definition
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Term
| How do you identify the start of the method? |
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Definition
| when it says printWelcome() [Welcome being class name] |
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Term
| How do you identify how to print text? |
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Definition
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Term
| How do you identify a multi line comment? |
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Definition
| when it is between /* and */ |
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Term
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Definition
- reserved for specific uses
- recognized by the Java compiler
- lowercase |
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Term
| What 3 characters can identifiers only start with? |
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Definition
| letters, underscores (_), or dollar signs ($) |
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Term
| What are the rules for identifiers? |
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Definition
1. can start with letter/underscore/dollar sign
2. can be alphanumeric
3. no maximum length
4. descriptive of purpose
5. no embedded spaces
6. no special characters |
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Term
| What are the 2 Data Types? |
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Definition
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Term
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Definition
- identifiers
- changeable values |
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Term
| How can you declare several values? |
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Definition
| by separating identifiers with commas |
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Term
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Definition
| assigning a value/variable |
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Term
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Definition
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Term
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Definition
| symbols that perform logical/mathematical functions on operands |
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Term
| What are the 3 types of Operators? |
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Definition
Unary
Arithmetic
Comparison/Relational |
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Term
| What are Unary Operators? |
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Definition
| require one operand (don't need assignment operators) |
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Term
| What are Comparison/Relational Operators? |
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Definition
| binary (indicate relationship between two operands) |
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Term
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Definition
| demonstrates result of a logical operation |
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Term
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Definition
| allows program to choose what code to run |
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Term
| What are the 4 types of Decisions? |
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Definition
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Term
| When do you use an IF ELSE statement? |
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Definition
| it is used instead of 2 IF statements |
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Term
| What is a SWICTH statement? |
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Definition
| it is a type of decision that can have many execution paths |
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Term
| What is a NESTED IF statement? |
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Definition
| is is a type of decision that has an IF statement within an IF statement (nested) |
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Term
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Definition
| it permits a set of instructions to be repeated |
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Term
| What are the 3 types of Loops? |
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Definition
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Term
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Definition
| it evaluates a condition (if true, it runs the code) |
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Term
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Definition
| a repetition control structure that repeats a specific amount of times |
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Term
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Definition
| a repetition control structure that checks if a condition is true, then repeats a certain amount of times |
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Term
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Definition
| a repetition control structure that checks if a condition is true, then executes only once |
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Term
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Definition
| group of codes within same scope ({}) |
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Term
| What is the 'Wrapper Class'? |
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Definition
| it converts primitive data types into an object, allowing further manipulation on data stored |
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Term
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Definition
| unexpected error/events within Java program |
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Term
| What is a 'Try Statement'? |
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Definition
| it tells the computer that an error might happen within its scope |
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Term
| What is a 'Catch Statement'? |
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Definition
| it tells the computer that an error might happen within the scope of Try Statement |
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Term
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Definition
| it is a method when you create a new object |
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Term
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Definition
- it is when a subclass (child) acquires characteristics from the superclass (parent)
- it is used code reusability |
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Term
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Definition
| it is a class without interpretation |
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Term
| What is Method Overloading? |
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Definition
| it is when methods have the same name but have different argument lists/parameters |
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