java language

Binary to Decimal Conversion

Write a code in java to input a binary number and convert it to a decimal number. For example: ex.1 - 1111 in decimal is 1*(2^3) +1*(2^2) +1*(2^1) +1*(2^0) = 8 + 4 + 2 + 1 = 15 in decimal. ex.2 - 10101 in decimal is 1*(2^4) +0*(2^3) +1*(2^2) +0*(2^1) +1*(2^0) = 16 + 0 + 4 + 0 + 1 = 21 in decimal. The number of digits in the binary number has no fixed size (user can enter any number of bits).

Sample Output:

Enter the binary number

1 1 0

1 The decimal number is: 13