CONSTANT_Fieldref constant pool item, any of the errors documented in §5.2 can be thrown.
Otherwise, if the specified field exists but is a static field, getfield throws an IncompatibleClassChangeError.
Runtime Exception
Otherwise, if objectref is null, the getfield instruction throws a NullPointerException.
Notes
The getfield instruction operates on both one- and two-word wide fields.
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Java Virtual Machine Specification (HTML generated by dkramer on February 25, 1997)
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