Read file in Java using input stream in IO stream to implement login function

Source: Internet
Author: User

1  PackageObject.io;2 3 ImportJava.io.FileInputStream;4 Importjava.io.FileNotFoundException;5 ImportJava.util.Scanner;6 7  Public classLogin {8      Public Static voidMain (string[] args)throwsException {9Scanner sc=NewScanner (system.in);TenFileInputStream input=NewFileInputStream ("D:\\Program Files (x86) \\io\\login.txt"); One         intLength=0; AString string=NULL; -          -         byte[] array=New byte[Input.available () +1024]; the          while((Length=input.read (array))!=-1){ -string=NewString (array,0, length); - System.out.println (string); -         } +          -String[] Users=string.split ("&&");//Each person's login information is called a group +          ASystem.out.println ("Please Enter account name:"); atString name=Sc.next (); -          -System.out.println ("Please Enter password:"); -String pwd=Sc.next (); -         //stitching the account password entered -String inputuser=name+ "," +pwd; in         //loop Array to determine if there is a current account password -                 Booleanflag=false; to                 for(String u:users) { +                    if(Inputuser.equals (U)) { -SYSTEM.OUT.PRINTLN ("Login Successful"); theflag=true; *                         Break; $                    }Panax Notoginseng                } -                //*********** the                if(flag==false){ +System.out.println ("Failed"); A                } the              +      -     } $}

Read file in Java using input stream in IO stream to implement login function

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