Why the JDK 1.4 Release Is Faster
• Reflection: More than 20 times faster
• Java Native Interface (JNI)
– 78% faster to call native code
– 38% for C code to call Java code
• Serialization: 30–300% faster
• Better GC sizing out of the box
• JIT Improvements
– Array bounds check eliminations, more loop optimization, better inlining