Java Virtual Machine (Java Series)
aconst_null
aconst_null Stack
Before | After |
| ... | null |
| ... |
Pushes the special null object reference onto the stack. null is a reference to no object, and has no type (null can be cast to any reference type). null conventionally represents an invalid or uncreated object. Fields, variables and the elements of object reference arrays have null as their initial value.
Bytecode
Type | Description |
| u1 | aconst_null opcode = 0x01 (1) |
bipush, sipush, ldc, ldc_w, ldc2_w, iconst_m1, iconst_<n>, lconst_<l>, fconst_<f>, dconst_<d>
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Java Virtual Machine, by Jon Meyer and Troy Downing, O'Reilly Associates
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