Tweaked some Java code.
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@ -214,9 +214,9 @@ public final class QrCode {
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public QrCode(int ver, Ecc ecl, byte[] dataCodewords, int mask) {
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// Check arguments
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errorCorrectionLevel = Objects.requireNonNull(ecl);
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Objects.requireNonNull(dataCodewords);
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if (ver < MIN_VERSION || ver > MAX_VERSION || mask < -1 || mask > 7)
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throw new IllegalArgumentException("Value out of range");
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Objects.requireNonNull(dataCodewords);
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// Initialize fields
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version = ver;
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@ -438,6 +438,7 @@ public final class QrCode {
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// Returns a new byte string representing the given data with the appropriate error correction
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// codewords appended to it, based on this object's version and error correction level.
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private byte[] addEccAndInterleave(byte[] data) {
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Objects.requireNonNull(data);
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if (data.length != getNumDataCodewords(version, errorCorrectionLevel))
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throw new IllegalArgumentException();
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