Decimal to binary number program in Java

This video is about conversion of decimal number to binary number program in Java.

Link for Decimal to binary number conversion ?https://youtu.be/CW82HUVAHw8


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Decimal number is most familiar number system to the general public. It is base 10 which has only 10 symbols − 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9. Whereas Binary number is most familiar number system to the digital systems, networking, and computer professionals. It is base 2 which has only 2 symbols: 0 and 1, these digits can be represented by off and on respectively.

Conversion from Decimal to Binary number system
There are various direct or indirect methods to convert a decimal number into binary number. In an indirect method, you need to convert a decimal number into other number system (e.g., octal or hexadecimal), then you can convert into binary number by converting each digit into binary number.

Example − Convert decimal number 125 into binary number.

First convert it into octal or hexadecimal number,
= (125)10
= (1x82+7x81+5x80)10
or (7x161+13x160)10
Because base of octal and hexadecimal are 8 and 16 respectively.
= (175)8
or (7D)16
Then convert it into binary number by converting each digit.
= (001 111 101)2
or (0111 1101)2
= (01111101)2