Java expert please help me the JAVA program below? please create your own code.

Question

Java expert please help me the JAVA program below?

please create your own code. DON'T copy any code from anywhere, that's why I am asking for help here.

(Match grouping symbols) A Java program contains various pairs of grouping symbols, such as: L Parentheses C and D L Braces and H L Brackets C and Note that the grouping symbols cannot overlap. For example, Ca{b) is illegal Write a program to check whether a Java source-code file has correct pairs of grouping symbols. Pass the source-code file name as a command-line argument.

Explanation / Answer

// GroupingSymbols.java
import java.io.*;
import java.util.*;

public class GroupingSymbols
{
public static void main(String[] args)
{

if (args.length != 1)
{
System.out.println("Enter filename in while running the program");
System.exit(0);
}

File inputFile = new File(args[0]);
// Check if file exists
if (!inputFile.exists()) {
System.out.println("File does not exist!");
System.exit(1);
}

// Create a stack
Stack<String> charstack = new Stack<>();
// arraylist
ArrayList<String> symbolarray = new ArrayList<>();

// addinng all symbols to collection
Collections.addAll(symbolarray, "(", ")", "{", "}", "[", "]");

try(BufferedReader bf = new BufferedReader(new InputStreamReader(new FileInputStream(inputFile))))
{
String str;
while ((str = bf.readLine()) != null)
{

for (char character : str.toCharArray())
{
String s = character + "";
int sIndex = symbolarray.indexOf(s);

if (sIndex == -1)
continue;

if (charstack.size() == 0)
{
charstack.push(s);
}
else
{
int lIndex = symbolarray.indexOf(charstack.peek());
if (sIndex - 1 == lIndex)
{
charstack.pop();
}

else
{
if ((lIndex & 1) == 1)
{
System.out.println("ILLEGAL");
}
charstack.push(s);
}
}

}

}
}
catch (FileNotFoundException exception)
{
System.out.println("File not found.");
exception.printStackTrace();
}
catch (IOException exception)
{
System.out.println("Input/Output error.");
exception.printStackTrace();
}

}
}

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