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Re: Compile error: java: <identifier> expected

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hello i immediately need help!!!
i am trying to learn overloading and i am in 10 standard so please help me
i am getting identifier expected error

import jav.io.*;
public class Overload
{
     double r,side,l,b,AreaSquare,AreaCircle,AreaRectangle;
     public void area(side)//this the line where error occurs
     {
         side1=side;
         AreaSquare=side1*side1;
         System.out.println("AREA OF SQUARE="+Areasquare);
     }
     public void area(l,b)
     {
         l1=l;
         b1=b;
         AreaRectangle=l1*b1;
         System.out.println("AREA OF RECTENGLE="+AreaRectangle);
      }
      public void area(r)
      {
          r1=r;
          PI=3.14;
          AreaCircle=PI*r1*r1;
          System.out.println("AREA OF CIRCLE="+AreaCircle);
       }
       public static void main()throws IOException
       {
           BufferedReader in=new BufferedReader (new InputStreamReader(System.in));
           Overload obj=new Overload();
           System.out.println("ENTER THE SIDE OF SQUARE=");
           side1=Double.parseDouble(in.readLine());
           System.out.println("ENTER THE LENGTH OF RECTANGLE=");
           l1=Double.parseDouble(in.readLine());
           System.out.println("ENTER THE BREADTH OF RECTANGLE=");
           b1=Double.parseDouble(in.readLine());
           System.out.println("ENTER THE RADIUS OF CIRCLE=");
           r1=Double.parseDouble(in.readLine());
           obj.area(side);
           obj.area(l,b);
           obj.area(r);
        }
    }

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Re: Compile error: java: <identifier> expected fernandofernando998877@gmail.com - 2018-06-22 00:54 -0700
  Re: Compile error: java: <identifier> expected Jukka Lahtinen <jtfjdehf@hotmail.com.invalid> - 2018-06-23 14:37 +0300
  Re: Compile error: java: <identifier> expected Eric Sosman <esosman@comcast-dot-net.invalid> - 2018-06-23 08:05 -0400
    Re: Compile error: java: <identifier> expected fernandofernando998877@gmail.com - 2018-06-23 09:03 -0700

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