What does documentation comments in java mean?

Answer 1

Its just use to show the comments about the code working...written after // or */ ..../*

Answer 2

// java. <single line comment

/*java. <multiple line comments
java*/

these comments will be ignored when you run your code.

even this works

Stri/*strange*/ng a =/*place*/ "hello";

Syst/*to have a*/em.out.pri/*comment*/ntln(a);

Answer 3

/**
*/

will generate javadoc