Java classes

Java virtual machine (JVM)

Figure 1 - Compiling and interpreting a class

Figure 3 - Class code and data

Figure 4 - Execution environments and stacks

Figure 5 - Activation segment stack

Figure 6 - Evaluation stack

Figure 7 - Registers, control paths and executive data

Figure 8 - Object memory and crumb tray

Figure 9 - Local variables and static methods

Figure 10 - Activation block stack

Figure 11 - Objects and instance methods

Figure 12 - Activation segment stack and object memory

Figure 13 - Operator usage

Figure 14 - Iteration and incrementation

Figure 15 - Instruction tableswitch, size 2 indirection table

Figure 16 - Instruction loockupswitch, ordered list size 2

Figure 17 - invokestatic and return instructions

Figure 18 - Instructions new, invokespecial, putfield, getfield

Figure 19 - invokeinterface instructions

Figure 20 - Exception filtering, propagation by a new athrow

Figure 21 - try/finally clause jsr and net instructions

Figure 22 - Table of virtual methods

Figure 23 - Screenshot (Oraclé Technology Network doc.)