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Unfortunately in this case, its not me thats not abstracting - its Sun. Yeah, sure you can do all kinds of funky things behind an interface, but String is a final class in java (ie you can't implement your own or subclass it, it just is what it is; hey it wasn't my idea!).
ne_parseInt(String s1, int offset, int length) still isn't the signature to replace "Java's parseInt", if you want to avoid extraction. ne_parseInt(CharSequence s1, int offset, int length), possibly.
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