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iaload

retrieve integer from array

Jasmin Syntax

     iaload 

Stack

Before	After
index	value
arrayref	...
...

Description

Retrieves an entry from a int array and places it on the stack. arrayref is a reference to an array of ints. index is an int. The arrayref and index are removed from the stack, and the int value at the given index in the array is pushed onto the stack.

Example

 ; get x[1], where x is an int array stored in local variable 1 aload_1          ; push an integer array onto the stack iconst_1         ; push the integer 1 onto the stack iaload           ; get the int at index 1 from the array                  ; the top item on the stack is now x[1] 

Exceptions

NullPointerException - arrayref is null

ArrayIndexOutOfBoundsException - index is < 0 or >= arrayref.length

Bytecode

Type	Description
u1	iaload opcode = 0x2E (46)

See Also

laload, faload, daload, aaload, baload, caload, saload, iastore, lastore, fastore, dastore, aastore, bastore, castore, sastore

Notes

Array indices start at 0 (the first entry in the array is at index 0).

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Java Virtual Machine, by Jon Meyer and Troy Downing, O'Reilly Associates