#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "(((import java\.)[a-zA-Z\.\*]*;)|(public static void main(.*))|(class\s[a-zA-Z_$]+[\s]*\{)|(System\.out\.print))"
Local $sString = "/*" & @CRLF & _
" Calculate Circle Area using Java Example" & @CRLF & _
" This Calculate Circle Area using Java Example shows how to calculate" & @CRLF & _
" area of circle using it's radius." & @CRLF & _
"*/" & @CRLF & _
" " & @CRLF & _
"import java.io.BufferedReader;" & @CRLF & _
"import java.io.IOException;" & @CRLF & _
"import java.io.InputStreamReader;" & @CRLF & _
" " & @CRLF & _
"public class CalculateCircleAreaExample {" & @CRLF & _
" " & @CRLF & _
" public static void main(String[] args) {" & @CRLF & _
" " & @CRLF & _
" int radius = 0;" & @CRLF & _
" System.out.println("Please enter radius of a circle");" & @CRLF & _
" " & @CRLF & _
" try" & @CRLF & _
" {" & @CRLF & _
" //get the radius from console" & @CRLF & _
" BufferedReader br = new BufferedReader(new InputStreamReader(System.in));" & @CRLF & _
" radius = Integer.parseInt(br.readLine());" & @CRLF & _
" }" & @CRLF & _
" //if invalid value was entered" & @CRLF & _
" catch(NumberFormatException ne)" & @CRLF & _
" {" & @CRLF & _
" System.out.println("Invalid radius value" + ne);" & @CRLF & _
" System.exit(0);" & @CRLF & _
" }" & @CRLF & _
" catch(IOException ioe)" & @CRLF & _
" {" & @CRLF & _
" System.out.println("IO Error :" + ioe);" & @CRLF & _
" System.exit(0);" & @CRLF & _
" }" & @CRLF & _
" " & @CRLF & _
" /*" & @CRLF & _
" * Area of a circle is" & @CRLF & _
" * pi * r * r" & @CRLF & _
" * where r is a radius of a circle." & @CRLF & _
" */" & @CRLF & _
" " & @CRLF & _
" //NOTE : use Math.PI constant to get value of pi" & @CRLF & _
" double area = Math.PI * radius * radius;" & @CRLF & _
" " & @CRLF & _
" System.out.println("Area of a circle is " + area);" & @CRLF & _
" }" & @CRLF & _
"}" & @CRLF & _
" " & @CRLF & _
"/*" & @CRLF & _
"Output of Calculate Circle Area using Java Example would be" & @CRLF & _
"Please enter radius of a circle" & @CRLF & _
"19" & @CRLF & _
"Area of a circle is 1134.1149479459152" & @CRLF & _
"*/" & @CRLF & _
"" & @CRLF & _
"@@@@" & @CRLF & _
"" & @CRLF & _
"/*" & @CRLF & _
" Calculate Rectangle Area using Java Example" & @CRLF & _
" This Calculate Rectangle Area using Java Example shows how to calculate" & @CRLF & _
" area of Rectangle using it's length and width." & @CRLF & _
"*/" & @CRLF & _
" " & @CRLF & _
"import java.io.BufferedReader;" & @CRLF & _
"import java.io.IOException;" & @CRLF & _
"import java.io.InputStreamReader;" & @CRLF & _
" " & @CRLF & _
"public class CalculateRectArea {" & @CRLF & _
" " & @CRLF & _
" public static void main(String[] args) {" & @CRLF & _
" " & @CRLF & _
" int width = 0;" & @CRLF & _
" int length = 0;" & @CRLF & _
" " & @CRLF & _
" try" & @CRLF & _
" {" & @CRLF & _
" //read the length from console" & @CRLF & _
" BufferedReader br = new BufferedReader(new InputStreamReader(System.in));" & @CRLF & _
" " & @CRLF & _
" System.out.println("Please enter length of a rectangle");" & @CRLF & _
" length = Integer.parseInt(br.readLine());" & @CRLF & _
" " & @CRLF & _
" //read the width from console" & @CRLF & _
" System.out.println("Please enter width of a rectangle");" & @CRLF & _
" width = Integer.parseInt(br.readLine());" & @CRLF & _
" " & @CRLF & _
" " & @CRLF & _
" }" & @CRLF & _
" //if invalid value was entered" & @CRLF & _
" catch(NumberFormatException ne)" & @CRLF & _
" {" & @CRLF & _
" System.out.println("Invalid value" + ne);" & @CRLF & _
" System.exit(0);" & @CRLF & _
" }" & @CRLF & _
" catch(IOException ioe)" & @CRLF & _
" {" & @CRLF & _
" System.out.println("IO Error :" + ioe);" & @CRLF & _
" System.exit(0);" & @CRLF & _
" }" & @CRLF & _
" " & @CRLF & _
" /*" & @CRLF & _
" * Area of a rectangle is" & @CRLF & _
" * length * width" & @CRLF & _
" */" & @CRLF & _
" " & @CRLF & _
" int area = length * width;" & @CRLF & _
" " & @CRLF & _
" System.out.println("Area of a rectangle is " + area);" & @CRLF & _
" }" & @CRLF & _
" " & @CRLF & _
"}" & @CRLF & _
" " & @CRLF & _
"/*" & @CRLF & _
"Output of Calculate Rectangle Area using Java Example would be" & @CRLF & _
"Please enter length of a rectangle" & @CRLF & _
"10" & @CRLF & _
"Please enter width of a rectangle" & @CRLF & _
"15" & @CRLF & _
"Area of a rectangle is 150" & @CRLF & _
"*/" & @CRLF & _
"" & @CRLF & _
"@@@@" & @CRLF & _
"" & @CRLF & _
"/*" & @CRLF & _
" Java Factorial Using Recursion Example" & @CRLF & _
" This Java example shows how to generate factorial of a given number" & @CRLF & _
" using recursive function." & @CRLF & _
"*/" & @CRLF & _
" " & @CRLF & _
"import java.io.BufferedReader;" & @CRLF & _
"import java.io.IOException;" & @CRLF & _
"import java.io.InputStreamReader;" & @CRLF & _
" " & @CRLF & _
"public class JavaFactorialUsingRecursion {" & @CRLF & _
" " & @CRLF & _
" public static void main(String args[]) throws NumberFormatException, IOException{" & @CRLF & _
" " & @CRLF & _
" System.out.println("Enter the number: ");" & @CRLF & _
" " & @CRLF & _
" //get input from the user" & @CRLF & _
" BufferedReader br=new BufferedReader(new InputStreamReader(System.in));" & @CRLF & _
" int a = Integer.parseInt(br.readLine());" & @CRLF & _
" " & @CRLF & _
" //call the recursive function to generate factorial" & @CRLF & _
" int result= fact(a);" & @CRLF & _
" " & @CRLF & _
" " & @CRLF & _
" System.out.println("Factorial of the number is: " + result);" & @CRLF & _
" }" & @CRLF & _
" " & @CRLF & _
" static int fact(int b)" & @CRLF & _
" {" & @CRLF & _
" if(b <= 1)" & @CRLF & _
" //if the number is 1 then return 1" & @CRLF & _
" return 1;" & @CRLF & _
" else" & @CRLF & _
" //else call the same function with the value - 1" & @CRLF & _
" return b * fact(b-1);" & @CRLF & _
" }" & @CRLF & _
"}" & @CRLF & _
" " & @CRLF & _
"/*" & @CRLF & _
"Output of this Java example would be" & @CRLF & _
" " & @CRLF & _
"Enter the number:" & @CRLF & _
"5" & @CRLF & _
"Factorial of the number is: 120" & @CRLF & _
"*/" & @CRLF & _
"" & @CRLF & _
"@@@@" & @CRLF & _
"" & @CRLF & _
"/*" & @CRLF & _
" Swap Numbers Without Using Third Variable Java Example" & @CRLF & _
" This Swap Numbers Java Example shows how to" & @CRLF & _
" swap value of two numbers without using third variable using java." & @CRLF & _
"*/" & @CRLF & _
" " & @CRLF & _
"public class SwapElementsWithoutThirdVariableExample {" & @CRLF & _
" " & @CRLF & _
" public static void main(String[] args) {" & @CRLF & _
" " & @CRLF & _
" int num1 = 10;" & @CRLF & _
" int num2 = 20;" & @CRLF & _
" " & @CRLF & _
" System.out.println("Before Swapping");" & @CRLF & _
" System.out.println("Value of num1 is :" + num1);" & @CRLF & _
" System.out.println("Value of num2 is :" +num2);" & @CRLF & _
" " & @CRLF & _
" //add both the numbers and assign it to first" & @CRLF & _
" num1 = num1 + num2;" & @CRLF & _
" num2 = num1 - num2;" & @CRLF & _
" num1 = num1 - num2;" & @CRLF & _
" " & @CRLF & _
" System.out.println("Before Swapping");" & @CRLF & _
" System.out.println("Value of num1 is :" + num1);" & @CRLF & _
" System.out.println("Value of num2 is :" +num2);" & @CRLF & _
" }" & @CRLF & _
" " & @CRLF & _
" " & @CRLF & _
"}" & @CRLF & _
" " & @CRLF & _
"/*" & @CRLF & _
"Output of Swap Numbers Without Using Third Variable example would be" & @CRLF & _
"Before Swapping" & @CRLF & _
"Value of num1 is :10" & @CRLF & _
"Value of num2 is :20" & @CRLF & _
"Before Swapping" & @CRLF & _
"Value of num1 is :20" & @CRLF & _
"Value of num2 is :10" & @CRLF & _
"*/" & @CRLF & _
"" & @CRLF & _
"@@@@" & @CRLF & _
"" & @CRLF & _
"// OddEven.java" & @CRLF & _
"import javax.swing.JOptionPane;" & @CRLF & _
" " & @CRLF & _
"public class OddEven {" & @CRLF & _
" /**" & @CRLF & _
" * "input" is the number that the user gives to the computer" & @CRLF & _
" */" & @CRLF & _
" private int input; // a whole number("int" means integer)" & @CRLF & _
" " & @CRLF & _
" /**" & @CRLF & _
" * This is the constructor method. It gets called when an object of the OddEven type" & @CRLF & _
" * is being created." & @CRLF & _
" */" & @CRLF & _
" public OddEven() {" & @CRLF & _
" /*" & @CRLF & _
" * In most Java programs constructors can initialize objects with default values, or create" & @CRLF & _
" * other objects that this object might use to perform its functions. In some Java programs, the" & @CRLF & _
" * constructor may simply be an empty function if nothing needs to be initialized prior to the" & @CRLF & _
" * functioning of the object. In this program's case, an empty constructor would suffice." & @CRLF & _
" * A constructor must exist; however, if the user doesn't put one in then the compiler" & @CRLF & _
" * will create an empty one." & @CRLF & _
" */" & @CRLF & _
" }" & @CRLF & _
" " & @CRLF & _
" /**" & @CRLF & _
" * This is the main method. It gets called when this class is run through a Java interpreter." & @CRLF & _
" * @param args command line arguments (unused)" & @CRLF & _
" */" & @CRLF & _
" public static void main(final String[] args) {" & @CRLF & _
" /*" & @CRLF & _
" * This line of code creates a new instance of this class called "number" (also known as an" & @CRLF & _
" * Object) and initializes it by calling the constructor. The next line of code calls" & @CRLF & _
" * the "showDialog()" method, which brings up a prompt to ask you for a number" & @CRLF & _
" */" & @CRLF & _
" OddEven number = new OddEven();" & @CRLF & _
" number.showDialog();" & @CRLF & _
" }" & @CRLF & _
" " & @CRLF & _
" public void showDialog() {" & @CRLF & _
" /*" & @CRLF & _
" * "try" makes sure nothing goes wrong. If something does," & @CRLF & _
" * the interpreter skips to "catch" to see what it should do." & @CRLF & _
" */" & @CRLF & _
" try {" & @CRLF & _
" /*" & @CRLF & _
" * The code below brings up a JOptionPane, which is a dialog box" & @CRLF & _
" * The String returned by the "showInputDialog()" method is converted into" & @CRLF & _
" * an integer, making the program treat it as a number instead of a word." & @CRLF & _
" * After that, this method calls a second method, calculate() that will" & @CRLF & _
" * display either "Even" or "Odd."" & @CRLF & _
" */" & @CRLF & _
" this.input = Integer.parseInt(JOptionPane.showInputDialog("Please enter a number."));" & @CRLF & _
" this.calculate();" & @CRLF & _
" } catch (final NumberFormatException e) {" & @CRLF & _
" /*" & @CRLF & _
" * Getting in the catch block means that there was a problem with the format of" & @CRLF & _
" * the number. Probably some letters were typed in instead of a number." & @CRLF & _
" */" & @CRLF & _
" System.err.println("ERROR: Invalid input. Please type in a numerical value.");" & @CRLF & _
" }" & @CRLF & _
" }" & @CRLF & _
" " & @CRLF & _
" /**" & @CRLF & _
" * When this gets called, it sends a message to the interpreter." & @CRLF & _
" * The interpreter usually shows it on the command prompt (For Windows users)" & @CRLF & _
" * or the terminal (For *nix users).(Assuming it's open)" & @CRLF & _
" */" & @CRLF & _
" private void calculate() {" & @CRLF & _
" if ((this.input % 2) == 0) {" & @CRLF & _
" JOptionPane.showMessageDialog(null, "Even");" & @CRLF & _
" } else {" & @CRLF & _
" JOptionPane.showMessageDialog(null, "Odd");" & @CRLF & _
" }" & @CRLF & _
" }" & @CRLF & _
"}"
Local $aArray = StringRegExp($sString, $sRegex, $STR_REGEXPARRAYGLOBALFULLMATCH)
Local $aFullArray[0]
For $i = 0 To UBound($aArray) -1
_ArrayConcatenate($aFullArray, $aArray[$i])
Next
$aArray = $aFullArray
; Present the entire match result
_ArrayDisplay($aArray, "Result")
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for AutoIt, please visit: https://www.autoitscript.com/autoit3/docs/functions/StringRegExp.htm