Wikipedia: A Java virtual machine is a program which executes certain other programs, namely those containing Java bytecode instructions….. JVM's are most often implemented to run on an existing ...

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The Java virtual machine manages application memory and provides a portable execution environment for Java-based applications. Developers reap the rewards in performance, stability, and predictable ...

Objects are a powerful software engineering construct, and Java uses them extensively. In fact, it encourages the use of objects so much that developers sometimes forget the costs behind the construct ...

Excessive object creation can be a huge problem in Java programs. Despite continuing improvements in JVM technology for memory management, the object creation and garbage collection cycle is still a ...

There is some overlap -- but they're fundamentally different. Java instrumentation will track each and every instance of a given metric. This can create performance issues. Java sampling involves ...