Base class for JVM instructions. stackChange records the number of
elements by which the stack changes after execution of an instruction
of this type. Thus, zero means no change, a positive value means an
increase in stack size, and a negative value means a decrease in stack
size.
Base class for JVM instructions.
stackChangerecords the number of elements by which the stack changes after execution of an instruction of this type. Thus, zero means no change, a positive value means an increase in stack size, and a negative value means a decrease in stack size.