The official syntax rules for naming a variable or method in Java are lax. For variables, the first letter of a variable must be either a letter, dollar sign or an underscore. After that, any ...

The null Unicode character of the char primitive type is not visible in the output. The default constructor in Java initializes primitive types to their binary equivalent of zero and reference types ...

Each ASCII character in the JavaScript payload is converted into an 8-bit binary representation, and the binary values (ones and zeros) in it are replaced with invisible Hangul characters.