There are MORE THAN ONE MILLION online articles/textbooks/reference guides on C++ language. That is because C++ is used extensively for a very long period of time. You can find them using the Internet search engines like Google, Yahoo, Lycos, Excite etc..
Java books which will be useful for C++ programmers:
Visit the following C++ sites :-
Internet has vast amounts of documentation on C++. Visit the search engines like Google, Yahoo, Lycos, Infoseek, Excite. Type in the keywords 'C++ tutorials' 'C++ references' 'C++ books' . You can narrow down the search criteria by clicking on Advanced search and select search by exact phrase
There are many on-line tutorials available on internet. Type 'C++ tutorials' in the search engine.
Type 'C++ Reference' in the search engine.
Visit the following sites for Java like API for C++