Incompatible types. Found: 'java.io.File', required: 'java.lang.String' Unhandled exception: java.io.FileNotFoundException Unhandled exception: java.io.IOException

[FreeQAOnline]

Body

import java.io.*;
import java.sql.*;
public class SQLManager{
	public boolean isConnectedToDB, passwordRequired;
	public String password, Password, exception;
	public void getPassword(String fileLocation){
		this.Password = new File(fileLocation);
		FileReader fileReader = new FileReader(this.Password);
		this.password = fileReader.read();
		fileReader.close();
		fileReader = null;
	}
	public String enterPassword(String PassWord) throws Exception{
		try{
			if(PassWord == null || this.password == null){
				throw new Exception("`Either input = null` and/or `password = null` is not allowed!\n");
			}else{
				if(PassWord == this.password){
					this.Password = PassWord;
				}else{
					throw new Exception (PassWord.toUpperCase() + " is not the correct password!\n");
				}
			}
		}catch(Error error){
			this.exception = error.toString();
		}
		return "Error: " + this.exception;
	}
	public String connectToDB() throws Exception{
		try{
			if(!this.isConnectedToDB && !this.passwordRequired){
				this.isConnectedToDB = true;
			}else if(!this.isConnectedToDB && this.passwordRequired){
				if(this.Password == this.password) {
					this.isConnectedToDB = true;
				}else{
					throw new Exception (this.Password.toUpperCase() + " is incorrect!\n");
				}
			}else{
				throw new Exception ("You've already connected to the database!\n");
			}
		}catch(Error err) {
			this.exception = err.toString();
		}
		return "Error thrown: " + this.exception.toString();
	}
	public String disconnectFromDB() throws Exception{
		try{
			if(this.isConnectedToDB) {
				this.isConnectedToDB = false;
			}else{
				throw new Exception ("You've already disconnected from the database! \n");
			}
		}catch(Error err){
			this.exception = err.toString();
		}
		return "Error thrown: " + this.exception.toString();
	}
}

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[PALLADIUM26]

Hi, can you please specify at which line the specified error is occurring?

Again in line 18, we cannot check equality of strings using '==' operator. Instead, you can use .equals() function.
Syntax: if(PassWord.equals(this.password))

In the catch block we should catch Exception not error.
Syntax: catch(Exception err){ //statements }

I hope you will find this useful.