Duplicates the top two words on the stack and pushes the duplicates onto the stack in the same order. You can use this to duplicate two single-word items (e.g. two integers, or an integer and an object reference) or one two-word item (i.e. a double or a long).

Bytecode

Type	Description
u1	dup2 opcode = 0x5C (92)

See Also

dup, dup_x1, dup2_x1, dup2_x2