Java Virtual Machine (Java Series)
arraylength
arraylength
Stack
Before | After |
| arrayref | length |
| ... | ... |
Removes arrayref (a reference to an array) from the stack and replaces it with the length of the array (an int). For multi-dimensional arrays, the length of the first dimension is returned.
Exceptions
NullPointerException - arrayref is null.
Bytecode
Type | Description |
| u1 | arraylength opcode = 0xBE(190) |
prev next contents
Java Virtual Machine, by Jon Meyer and Troy Downing, O'Reilly Associates
Категории