Businesses are rife with outdated versions of Java, the programming platform that last year became the most common attack vector for hackers, according to a new report from security vendor Bit9. By ...

Here's a topic I don't understand. What's the benefit of making a private constructor and a public getInstance method? I understand why you would make the constructor private: to keep someone from ...

Oracle’s Java Management Service can shine a light on which versions of Java you’re running, what apps are running on them, and which installs are outdated. Oracle is making the discovery capabilities ...

Community driven content discussing all aspects of software development from DevOps to design patterns. In this Java serialization example, we will use both the ObjectOutputStream and the ...

i have to write various binary tree stuff for a school project, the url is here http://www.cs.arizona.edu/classes/cs227/fall03/Programs/227Project9.html<BR><BR>the ...

static final double PI= 3.141592;//final로 선언된 객체는 수정해서 쓸수 없음. // 한번 선언될 때 초기화되면 그 값은 변경불가 -> final로 선언. // final로 선언할때는 pi를 대문자로 표기.