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copied!<p>All general purpose programming languages in use are <a href="http://en.wikipedia.org/wiki/Turing_completeness" rel="nofollow noreferrer">Turing complete</a>, so in that very rigorous theoretical sense, they have the same power. There's <em>NOTHING</em> that is computable in, say, C#, but not computable in Java.</p> <p>In a more practical point of view, though, yes, there are things that other languages can do that Java can't. It really depends on how you want to pick your nits. Java has no 8-bit unsigned <code>byte</code>, Java can't convert an <code>int</code> to a <code>boolean</code> value, Java has no first class methods, Java has no pass by reference semantics, etc. None of those would prevent you from getting things done, but they are nonetheless things that Java can't do that other languages can.</p> <p>As far as learning how to program goes, Java is not a bad choice. It's practical enough, but can be quite verbose. Rather subjectively, though, there are other more "fun" languages for learning that is just as if not more instructive than Java.</p> <p>With regards to this remark:</p> <blockquote> <p>I've been doing java programming for many years and I sometimes have the feeling that I wouldn't need to learn another one.</p> </blockquote> <p>I'm sorry to say that this is a very self-limiting point of view. Learning another language can really expand your mind on what programming is all about. It can also be fun.</p> <h3>Related questions</h3> <ul> <li><a href="https://stackoverflow.com/questions/264042/is-it-better-to-master-a-few-programming-languages-than-to-learn-many">Is it better to master a few programming languages than to learn many?</a></li> <li><a href="https://stackoverflow.com/questions/84340/why-learn-perl-python-ruby-if-the-company-is-using-c-c-or-java-as-the-appli">Why learn Perl, Python, Ruby if the company is using C++, C# or Java as the application language?</a></li> <li><a href="https://stackoverflow.com/questions/202802/why-you-i-should-not-learn-another-language">Why you/I should not learn another language?</a></li> <li><a href="https://stackoverflow.com/questions/1119482/the-benefits-of-learning-languages-that-you-wont-use">The benefits of learning languages that you won’t use</a></li> <li><a href="https://stackoverflow.com/questions/273108/which-programming-languages-have-helped-you-to-understand-programming-better">Which programming languages have helped you to understand programming better?</a></li> <li><a href="https://stackoverflow.com/questions/2550239/learning-multiple-languages">Learning multiple languages</a></li> <li><a href="https://stackoverflow.com/questions/1137113/which-is-more-advantageous-learning-new-languages-or-increasing-knowledge-of-one">Which is more advantageous: Learning new languages or increasing knowledge of ones you already know?</a></li> </ul>

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