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DataTypes Program
Questions based on DataType program done in class
| Question | Answer |
|---|---|
| What is a data type? | Classification that determines how data is stored |
| What is a string? | class provided by Java that provides the ability to program with words |
| Name three naming rules | No spaces, no special characters except $, and must begin with a letter |
| What key do you use to start a single line comment? | // |
| Declare a String variable named cheese; | String cheese; |
| What is a string literal? | characters(s) enclosed in double * quotation marks */ |
| What is a assignment? | the processes of storing a value at a variable memory location using =(assignment operator)*/ |
| What must match the class name? | Must match file name |
| What is Syntax? | Grammer, structure, or order of the elements in a language statement. |
| What is declaration? | Process of telling the compiler the name of a variable and the type of data to be stored in the memory location allocated to the variable. |
| What are Primitive Data Types | 2 |
| What is hard coding? | To use explicit rather than am symbolic name for something that is likely be changed at a later time |
| What is camelBack notation? | The first letter is lowercase and for each subsequent word the first letter is capitalized |
| What is a main method | A program begins by calling the main method and begins execution with the first line of code in the |
| How many bits and bytes does it take to declare a integer variable? | 1 |
| How many bits and bytes does it take to declare a real variable? | 1 |
| What does a boolean data type require? | Requires single quotes. |
| What are the rules for naming camelBack notation? | 1 |
| What data type allows the storage of multiple characters enclosed in double quotes? | |
| What is a primitive data type? | Most basic data types provided by a language |
| what is a program block? | the coded enclosed between {} |
| What is assignment? | 1 |
| How many bits does it take to declare a boolean? | 1 bit |
| the double data type allows what? | 1 |
| The boolean data types allows what? | 1 |
| What characters should be avoided? | throwaways |
| What allows the storage of multiple characters enclosed in double quotes? | 1 |
| Declaring a string size depends on what? | It depends on the Java Virtual Machine? |
| Define Naming conventions | camelBack notation names are meaningful One-character variable names should be avoided |
| What is the Basic syntax for declaration and assignment? | <data type> variableName= <value> |
Created by:
Jaelyn.Wil33
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