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Wednesday, 2 December 2015

How to check the given number is binary number or not -Java Program

In mathematics and digital electronics, a binary number is a number expressed in the binary numeral system or base-2 numeral system which represents numeric values using two different symbols: typically 0 (zero) and 1 (one). The base-2 system is a positional notation with a radix of 2. Below we have write a java program for check given number binary or not.

package com.javaproficiency;

public class IsBinary {

public static void main(String[] args) {

IsBinary isBinary = new IsBinary();

System.out.println(" num 101000 is binary = "+ isBinary.isBinary(101000) );
System.out.println(" num 101300 is binary = "+ isBinary.isBinary(101300) );
System.out.println(" num 101900 is binary = "+ isBinary.isBinary(101900) );
System.out.println(" num 10001 is binary = "+ isBinary.isBinary(10001) );


}


public boolean isBinary( int num ){

boolean flag = true;
while (num  > 0) {
int rem = num %10;
if (rem > 1) {
flag = false;
break;
}
num = num/10;
}
return flag;
}


}



Output:

 num 101000 is binary = true
 num 101300 is binary = false
 num 101900 is binary = false
 num 10001 is binary = true


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