Binary to decimal conversion in java

Java code to covert binary number to decimal number


import java.io.*;

class Test {

     public static void main(String[] args) throws IOException {

          long  no,n=0l,j=1,rem,no1;

          System.out.println("Enter the binary number");

          BufferedReader br=new BufferedReader(new InputStreamReader (System.in));

          no=Long.parseLong(br.readLine());

          no1=no;

          while(no!=0){

            rem=no%10;

            n=n+rem*j;

            j=j*2;

            no=no/10;

          }

          System.out.println("The value of binary no. "+no1+" is "+n);

  }

}

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