add comment in java

1//This is single line comment  
2
3/* 
4This is  
5multi line comment 
6*/  

1//Single line
2System.out.println("Hello world"/*+"This is code commented out inline."*/); //You can also put comments at the end
3/*
4Multi
5Line
6comment
7*/

1// This is how you comment in java
2/* You can also do it like this */

1//Comment

1// Demo types of comments
2
3/* This shows
4   that the comment
5   can be muilti line */
6System.out.println("Hello"); // Inline comment
7// This is a single line comment