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DataTypes Program
Questions based on data type program done in class
Question | Answer |
---|---|
What happens when you don't follow the rules? | A compiler error occurs. |
Conventions are what? | The standards followed by programmers of a particular language. |
Main Method- | a program begins by calling the main method and begins execution with the first line of code in the main method. |
program block- | the code enclosed between { } (open and closed curly brace) |
Naming Rule #1 | alphanumeric (numbers and letters) |
Naming Rule #2 | no spaces or special characters except underscore and dollar sign |
Naming Rule #3 | Must begin with a letter |
What is a Data Type? | Classification that shows how data is stored. |
What is assignment? | When you assign something to a data type. (=) |
What is Data? | Information stored in the computer. |
How many bits and bytes take to declare an integer variable? | (32 bits - 4 bytes) |
How many bits and bytes take to declare a real variable? | (64 bits - 8 bytes) |
The double data type allows what? | The storage of rational and irrational numbers. |
The boolean data types allows what? | Allows the storage of any keyboard character. |
Common names for variable types? | i, j, n for ints c, d, and e for chars x, y, and z for real numbers |
What is a syntax? | grammar, structure, or order of the elements in a language statement. |
What is a string literal? | character(s) enclosed in double quotation marks |
What is hard coding? | To use an explicit rather than a symbolic |
What is camelBack notation? | The first letter is lowercase and for each subsequent word the first letter is capitalized. |
How many bits does it take to declare boolean? | 1 bit |
What is the Basic syntax for assignment? | variableName = <value>; |
What is the Basic syntax for declaration? | <data type> variableName <value; |
Single line comment. | // |
Multiple line comment. | /* */ |