<p>I create new project in Netbeans, but when I look the library it still using JDK 1.6 (default) I want to change into JDK 6 Update 10 but how? I already instal JDK 6 Update 10 but when I import org.hibernate the neatbeans didn't know which library that org.hibernate.</p>

<p>someone can help me? THX</p>

JDK 1.6 is the current released version.
I really hope you aren't talking about Java 10 there.
And even worse would be if you wanted to use Java 1.1! Which was out over 10 years ago.