eclipse the single-line comments, multiline comments, documentation comment

First, the single-line comment (comment may be multi-line)

1, style: // I was content comment

2, shortcut: ctrl + / or ctrl + shift + C

Second, multi-line comments (comment may be a single line)

1, style: / * I was content comment * /

2, shortcut keys: ctrl + shift + /

Third, the documentation comment

1, style: / ** I was annotated document * /

2, shortcut: Alt + shift + J

3, modify the document annotated document content: