JVM Tutorials - Herong's Tutorial Examples
Dr. Herong Yang, Version 4.10

Comparison - JDK 1.6.0 vs. 1.4.0

This section compares stack overflow test results between JDK 1.6.0 and JDK 1.4.0.

After installing JDK 6u2, I tested all 3 stack overflow programs. Here are the results.

RecursiveCrash:

HotSpot Client:

        at RecursiveCrash.sub(RecursiveCrash.java:10)
      	(repeated many times)

HotSpot Server:

        at RecursiveCrash.sub(RecursiveCrash.java:10)
	(repeated many times)

RecursiveCrash1:

HotSpot Client:

Stack overflow error at: 7673

HotSpot Server:

Stack overflow error at: 6870

RecursiveCrash2:

HotSpot Client:

Stack overflow error at: 10589

HotSpot Server:

Stack overflow error at: 7557

Last update: 2007.

Table of Contents

 About This Book

 Download and Install Java SE 1.6 Update 2

 java.lang.Runtime Class - The JVM Instance

 java.lang.System Class - The Operating System

 ClassLoader Class - Class Loaders

 Class Class - Class Reflections

 Sun's JVM - Java HotSpot VM

 JRockit JVM 7.0 by BEA Systems

 JRockit JVM 8.0 by BEA Systems

 Memory Management Rules and Tests

 Garbage Collection Tests

Stack Overflow Tests

 Stack Overflow Testing Programs

Comparison - JDK 1.6.0 vs. 1.4.0

 Thread Testing Program and Result

 StringBuffer Testing Program and Result

 CDS (Class Data Sharing)

 Micro Benchmark Runner and JVM Options

 Micro Benchmark Tests on "int" Operations

 Micro Benchmark Tests on "long" Operations

 Micro Benchmark Tests in JIT Compilation Mode

 Micro Benchmark Tests on "float" and "double" Operations

 References

 PDF Printing Version

Dr. Herong Yang, updated in 2010
Comparison - JDK 1.6.0 vs. 1.4.0