Find number is binary or not in java


In this core java programming tutorial we will write a program to Find number is binary or not in java.



What is binary number?
Binary number consists of only 0 & 1.

Example>
11001011 is binary number.
10000112 is not binary number. (because it consists of 2)



Full Program/SourceCode/ Example to Find number is binary or not in java>
package level1;
/** Copyright (c), AnkitMittal www.JavaMadeSoEasy.com */
public class BinaryNumberOrNotExample {
  
   public static void main(String a[]){
         
          int n=11001011;
          System.out.println(isBinaryNumber(n)? n+" is binary number." : n+" is not binary number.");
          n=11001110;  
          System.out.println(isBinaryNumber(n)? n+" is binary number." : n+" is not binary number.");
          n=10000112;  
          System.out.println(isBinaryNumber(n)? n+" is binary number." : n+" is not binary number.");
          n=11005110;   
          System.out.println(isBinaryNumber(n)? n+" is binary number." : n+" is not binary number.");
   }
  
   /**
   * returns true if number is binary.
   */
   public static boolean isBinaryNumber(int n){     
       while(n != 0){
        if(n%10 > 1){
            return false; //number containing any digit greater than 1 means its not binary.
        }
        n = n/10;   
       }
       return true;
   }
   
  
}
/*OUTPUT
11001011 is binary number.
11001110 is binary number.
10000112 is not binary number.
11005110 is not binary number.
*/

So, In this core java programming tutorial we wrote a program to Find number is binary or not in java.


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