for Java GC details, see
Summary: Three kinds of memory recovery mechanism, reference counting method, tracking method and generational method. There are multiple classifications for the tracking method, and the GC mechanism for different platforms
Will all areas in the JVM's memory be recycled?First we know that the Java stack and the local method stack after the completion of the method execution of the corresponding stack frame immediately out of the stack destroyed, the recovery of the two
The 4 Java garbage collectors-how the wrong Choice dramatically impacts performanceThe year is, and there is, things that still remain a mystery to most developers-garbage collection and Understa Nding the opposite sex. Since I don ' t know much
Memory Management in the Java hotspot™virtual machineConcurrent mark-sweep (CMS) CollectorFor many applications, end-to-end throughput are not as important as fast response time. Young generationCollections does not typically cause long pauses.
Personal Summary:1. Memory recovery mechanism-tag clear algorithm: Starting from the root (global variable) to detect descendant variables, any root variables can not reach the variable will be marked as memory garbage.This is the third chapter of
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A tour of reading the original TIJ English books -- Chapter Five: Initialization & Cleanup,
| _ Distinguishing overloaded methods
If the methods hava the same name, how can Java know which method you mean? There's a simple rule:
PHP Tutorial Configuration Chinese Narration
Let's see what you see, php.ini.
;;;;;;;;;;;; WARNING;;;;;;;;;;;;; This is the default settings file for new PHP installations.; By default, PHP installs itself with a configuration suitable for;
As a Java programmer, because of the automatic memory management of the virtual machine, so there is no need to write to the C and C + + programmers like the disaster area of the delete and the free method, but there is no memory leak in Java, the
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