HTML is not a programming language and as such does not allow you to declare variables.
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The core classes in the java.lang.* package (e.g. String, Integer, double, Boolean, etc.) are all declared final.
Variables define a certain value, such as an integer, string, boolean value, etc. Functions are defined to run a certain task, and may or may not return a value. You can have a function that calculates the sum of two numbers and returns the sum once calculated.
Here is some sample code to convert a string into a boolean: String word = "true"; boolean boo; if (word.equalsIgnoreCase("true")) boo=true; else boo=false;
Arguments are fields that are given to a method when it is called, while parameters are the name for the received variables. For example:public static void main(String[] args){int arg1 = 0;boolean arg2 = false;String arg3 = "Some string";function_a(arg1, arg2, arg3);// These variables are called arguments because they are being passed// to the function.}public static void function_a(int par1, boolean par2, String par3){// These variables are called parameters because they are being received// when the function is called.}I hope this helps.
The variables is visual basic are the items being declared in order to use within the program, for example if you were writing a program for the SUVAT equations the variables would be difined as follows... Dim is as integer Dim iu as integer Dim iV as integer e.c.t Think of the Dim to mean declare and the "as integer" is the data type. If it was a text value (string) for example a name it would be declared as follows: Dim sname as string where sname is the variable. For an array of values you would do the same but as follows: dim sname(100) as string this would create a space so to speak for 101 (0-100) names which would be inputted as so: sname(0) = Dan sname(1) = Sarah e.c.t hope that helps without being to complicated