Binary to decimal conversion program in java


In this core java programming tutorial we will write a program to perform Binary to decimal conversion in java.



Binary to decimal conversion program in java.


1110 = 1·23  +  1·22  +  1·21  +  0·20 = 14
binary number:
1
1
1
0
power of 2:
23
22
21
20


1111 = 1·23  +  1·22  +  1·21  +  1·20 = 15
binary number:
1
1
1
1
power of 2:
23
22
21
20




Full Program/SourceCode/ example to do Binary to decimal conversion in java >
/** Copyright (c), AnkitMittal www.JavaMadeSoEasy.com */
public class BinaryToDecimalConversionExample {
  
   public static void main(String...args){     
            int decimal=1110;
      System.out.println("binary "+decimal+" = decimal " + binaryToDecimalConverter(decimal));
            decimal=1111;
            System.out.println("binary "+decimal+" = decimal " + binaryToDecimalConverter(decimal));
  }
  
   /*
   * method converts binary number to decimal.
   */
   public static int binaryToDecimalConverter(int binary){     
       int decimal = 0;
       int power = 0;
       while(binary>0){
        decimal += (binary%10) * Math.pow(2, power++);
        binary = binary/10;
       }
       return decimal;
   }
   
}
/*OUTPUT
binary 1110 = decimal 14
binary 1111 = decimal 15
*/

So in this core java programming tutorial we wrote a program on how to to perform Binary to decimal conversion in java.


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