vscode-java-debug | Java Debugger for Visual Studio Code | Code Inspection library

import java.io.IOException;
import java.io.File;
import java.nio.file.Path;
import java.util.Scanner;
import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.BufferedReader;
import java.io.FileReader;
import java.util.NoSuchElementException;
public class filehandling{
    public static void main(String[] args){
        Scanner x = new Scanner(System.in);
        while(true){
            System.out.println("1. write 2. read 3. delete 4. create 5.exit");
            System.out.print("Enter choice: ");
            int ch = x.nextInt();
            if(ch==1){
                writer1 var0 = new writer1();
                var0.function1();
            }
            if(ch==2){
                reader1 var0 = new reader1();
                var0.function2();
            }
            if(ch==3){
                delete1 var0 = new delete1();
                var0.function4();
            }
            if(ch==4){
                create1 var0 = new create1();
                var0.function3();
            }
            if(ch==5){
                System.out.println("exited, thank you for using program");
                x.close();
                break;
            }
        }
    }
}
class writer1{
    void function1(){
            Scanner y = new Scanner(System.in);
            System.out.print("Input file name: ");
            String path = y.nextLine();

            File file = new File("D:\\"+path);

            System.out.print("input number of lines: ");
            Scanner a = new Scanner(System.in);
            int n = a.nextInt();
            
            Scanner z = new Scanner(System.in);
            System.out.print("input data: ");
            String data = z.nextLine();
            
            FileWriter fr = null;
            BufferedWriter br = null;
            String datawithnewline = data+System.getProperty("line.separator");
            System.out.println(datawithnewline);
            try {
                for(int i = n; i>0;i--){
                    try {
                        fr = new FileWriter(file);
                        br = new BufferedWriter(fr);
                        br.write(datawithnewline);
                    } catch (NoSuchElementException e) {
                        System.out.println("DONE ");
                    }
                    
                }
            } catch (IOException e) {
                System.out.print("error");
            }
            finally{
                try{
                    br.close();
                    fr.close();
                    y.close();
                    z.close();
                    a.close();
                }
                catch(IOException e){
                    System.out.print("Error 2");
                }
            }
        }
    }
class reader1{
    void function2(){
        Scanner y = new Scanner(System.in);
        System.out.print("Input file name: ");
        String path = y.nextLine();
        File file = new File("C:\\Users\\subra\\AppData\\Local\\Temp\\vscodesws_32946\\jdt_ws\\jdt.ls-java-project\\src"+path);
        if(file.canRead()){
            FileReader fr = null;
            BufferedReader br = null;
            try{
                fr = new FileReader(path);
                br = new BufferedReader(fr);
                int var = 0;
                while(( var=br.read())!= -1){
                    char text = (char) var;
                    System.out.print(text);
                }
            }
            catch(IOException e){
                System.out.println("Error");
            }
            finally{
                y.close();
                if (fr !=null){
                    try{
                        fr.close();
                    }
                    catch(IOException e){
                        System.out.println("Error");
                    }
                }
                if(br!=null){
                    try{
                        br.close();
                    }
                    catch(IOException e){
                        System.out.println("Error");
                    }
                }
            }
        }
    }
}
class create1{
    public void function3(){
        Scanner var1 = new Scanner(System.in);
        System.out.print("Input file name: ");
        String var2 = var1.nextLine();
        File file = new File("D:\\"+var2);
        try {
            boolean createNewfile = file.createNewFile();
            System.out.println("File created: "+createNewfile);
        } catch (IOException e) {
            System.out.println("Error");
            var1.close();
        }
    }
}
class delete1{
    public void function4(){
        Scanner y = new Scanner(System.in);
        System.out.print("Input file name");
        String path = y.nextLine();
        Path path1 = Path.of(path);
        String path2 = path1.toString();
        File file = new File(path2);
        if(file.canRead()){

            boolean delete = file.delete();
            System.out.println("DELETED FILE: "+delete);
        }
        y.close();

    }
}