Source code in the processing programming language

// a single-line comment

/* a multi-line
   comment
*/

/*
 * a multi-line comment
 * with some decorative stars
 */

// comment out a code line
// println("foo");
 
// comment at the end of a line
println("foo bar"); // "baz"

# a single-line comment
 
"""
Not strictly a comment, bare multi-line strings are used
in Python as multi-line comments. They are also used as
documentation strings or 'docstrings' when placed as the
first element inside function or class definitions.
"""
 
# comment out a code line
# println("foo")

# comment at the end of a line
println("foo bar") # "baz"

# there is no way to make an inline comment