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Archived: Download and Install Java SE 1.6 Update 2
This chapter provides a tutorial example on how to download and install Java SE 1.6 Update 2 (JDK 6u2) on Windows systems.
2022-10-01, ∼286🔥, 0💬

Garbage Collection Performance Test Summary
This chapter provides discussions on GC performance test result. Topics include comparison of performances of different garbage collectors; suggestions to use garbage collectors more efficiently.
2022-10-01, ∼286🔥, 0💬

JVM Architectures and Components
This section presents a JVM architecture and components shared by most JVM implementations.
2022-10-01, ∼283🔥, 0💬

Adaptive Size Policy for Best Throughput
This section provides a tutorial on how Adaptive Size Policy is used by the Parallel collector to our best Throughput goal.
2022-10-01, ∼283🔥, 0💬

Running the Garbage Collector Explicitly
This section provides a tutorial example on how to run the Garbage Collector explicitly by calling the gc() method on the Runtime instance.
2022-10-01, ∼282🔥, 0💬

Class Reflection and Introspection
This section provides a tutorial example on how to reflect a class as Class object and introspect its members: fields, methods, etc.
2022-10-01, ∼281🔥, 0💬

Archived: GC Test - Releasing Old vs. New Objects
This section provides a tutorial example on testing garbage collection by comparing performances between release old objects and new objects.
2022-10-01, ∼281🔥, 0💬

Serial GC Tracing - Aged Live Objects
This section provides a tutorial of tracing how Serial GC increases the age of objects survived each additional GC in 'from' space.
2022-10-01, ∼281🔥, 0💬

Archived: Running JRockit JVM with Management Console
This section provides a tutorial example on use JRockit Management Console server and client components to collect runtime data from the JRockit JVM.
2022-10-01, ∼280🔥, 0💬

Class Class - Class Reflections
This chapter provides tutorial notes and example codes on java.lang.Class class. Topics include Java class reflections and introspection; loading classes using Class.forName(); introspecting class members; array classes; method reflection.
2022-10-01, ∼279🔥, 0💬

HotSpot Memory Usages on Windows Systems
This section provides a tutorial example on how to check HotSpot memory usages on Windows systems using the Runtime class.
2022-10-01, ∼279🔥, 0💬

Serial GC Tracing - Tight Heap (Part 3)
This section provides part 3 of a tutorial on tracing how Serial GC works with a tight heap size.
2022-10-01, ∼278🔥, 0💬

Printing Runtime Basic Information
This section provides a tutorial example on how to access the Runtime instance of a running JVM and print some basic information.
2022-10-01, ∼276🔥, 0💬

Parallel Collector Changing NewRatio and SurvivorRatio
This section demonstrates that the Parallel Collector changes the NewRatio and the SurvivorRatio dynamically, even they are specified in command line.
2022-10-01, ∼275🔥, 0💬

What Is Serial Collector
This section describes the Serial Collector, which uses the combination of the Serial Collector of Young generation and the Serial Collector of Tenured generation, so both minor GC and major GC are performed in a single thread serially in a stop-the-world fashion.
2022-10-01, ∼274🔥, 0💬

"-XX:+NeverTenure" and "-XX:+AlwaysTenure" not Working
This section provides a tutorial showing '-XX:+NeverTenure' and '-XX:+AlwaysTenure' JVM options are not working with the Serial collector.
2022-10-01, ∼274🔥, 0💬

Performance Impact of Chunk Size
This section provides tests to find out performance impact of the chunk size (number of objects created and released in a single test run). The throughput performance seems to be not impacted by the chunk size, if some throughput jumps are ignored.
2022-10-01, ∼273🔥, 0💬

Usage Report on Heap Memory Areas
This section provides explanations of the usage report on heap memory areas generated by the '-Xlog:gc+heap=debug' log option.
2022-10-01, ∼272🔥, 0💬

JRockit JVM 28.2.7 by Oracle Corporation
This chapter provides tutorial notes and example codes on JRockit JVM. Topics include downloading and installing JRockit R28.2.7; running Java programs on JRockit JVM; memory footprint of JRockit JVM; JRockit Mission Control tools; JRockit Management Console for JRockit and HotSpot JVMs.
2022-10-01, ∼271🔥, 0💬

Running JRockit Mission Control
This section provides a tutorial example on how to run JRockit Mission Control 4.1 installed as part of JRockit R28.2.7.
2022-10-01, ∼271🔥, 0💬

Class Loading Followed by Class Initialization
This section provides a tutorial example showing that class initialization happens immediately after class loading.
2022-10-01, ∼271🔥, 0💬

Performance Impact of Chunk Size
This section provides tests to find out performance impact of the chunk size (number of objects created and released in a single test run). The throughput performance seems to be not impacted by the chunk size, if some throughput jumps are ignored.
2022-10-01, ∼271🔥, 0💬

JRockit Management Console on HotSpot JVM
This section provides a tutorial example on how to use Oracle JRockit Management Console to monitor and manage HotSpot JVM instances.
2022-03-11, ∼269🔥, 2💬

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Archived: GCTest.java - Garbage Collection Test Program
This section describes a garbage collection test program - GCTest.java.
2022-10-01, ∼268🔥, 0💬

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