Java-Practice-pgms/isBinary.java at main · NikhatNadaf/Java-Practice-pgms · GitHub

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import java.util.Scanner;

/*
 * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
 * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
 */

/**
 *
 * @author Admin
 */
public class isBinary
{
    static boolean isbinary(String str)
	{
            int s=0;

	  for(int i=0;i<str.length();i++)
	  {
	      if((str.charAt(i)=='0') || (str.charAt(i)=='1'))
	      {
	          s=1;
	      }
	      else if((str.charAt(i)=='2') || (str.charAt(i)=='3') || (str.charAt(i)=='4') || (str.charAt(i)=='5') || (str.charAt(i)=='6') || (str.charAt(i)=='7') || (str.charAt(i)=='8') || (str.charAt(i)=='9'))
	      {
	          s=0;
	      }
	  }
          if(s==1) return true;
          else return false;
	  }

        }
    public static void main(String[] args)
    {
        Scanner sc=new Scanner(System.in);
        String str=sc.next();
        System.out.println(isbinary(str));

    }

}