yijunyu/c-to-rust huggingface dataset:
// Original:
public void build(InputIterator iter) throws IOException {synchronized (searcherMgrLock) {if (searcherMgr != null) {searcherMgr.close();searcherMgr = null;}if (writer != null) {writer.close();writer = null;}boolean success = false;try {writer = new IndexWriter(dir,getIndexWriterConfig(getGramAnalyzer(), IndexWriterConfig.OpenMode.CREATE));BytesRef text;while ((text = iter.next()) != null) {BytesRef payload;if (iter.hasPayloads()) {payload = iter.payload();} else {payload = null;}add(text, iter.contexts(), iter.weight(), payload);}if (commitOnBuild || closeIndexWriterOnBuild) {commit();}searcherMgr = new SearcherManager(writer, null);success = true;} finally {if (success) {if (closeIndexWriterOnBuild) {writer.close();writer = null;}} else {  if (writer != null) {writer.rollback();writer = null;}}}}}

// Translation:
public override void Build(IInputIterator iter){if (m_searcherMgr != null){m_searcherMgr.Dispose();m_searcherMgr = null;}if (writer != null){writer.Dispose();writer = null;}AtomicReader r = null;bool success = false;try{writer = new IndexWriter(dir, GetIndexWriterConfig(matchVersion, GramAnalyzer, OpenMode.CREATE));BytesRef text;while ((text = iter.Next()) != null){BytesRef payload;if (iter.HasPayloads){payload = iter.Payload;}else{payload = null;}Add(text, iter.Contexts, iter.Weight, payload);}m_searcherMgr = new SearcherManager(writer, true, null);success = true;}finally{if (success){IOUtils.Dispose(r);}else{IOUtils.DisposeWhileHandlingException(writer, r);writer = null;}}}
// Original:
public ShortBuffer put(ShortBuffer buf) {throw new ReadOnlyBufferException();}

// Translation:
public override java.nio.ShortBuffer put(short c){throw new java.nio.ReadOnlyBufferException();}
// Original:
public int stemSuffix(char s[], int len) {for (int i = 0; i < suffixes.length; i++)if (endsWithCheckLength(s, len, suffixes[i]))len = deleteN(s, len - suffixes[i].length, len, suffixes[i].length);return len;}

// Translation:
public virtual int StemSuffix(char[] s, int len){for (int i = 0; i < suffixes.Length; i++){if (EndsWithCheckLength(s, len, suffixes[i])){len = StemmerUtil.DeleteN(s, len - suffixes[i].Length, len, suffixes[i].Length);}}return len;}
// Original:
public SeriesListRecord(RecordInputStream in) {int nItems = in.readUShort();short[] ss = new short[nItems];for (int i = 0; i < nItems; i++) {ss[i] = in.readShort();}field_1_seriesNumbers = ss;}

// Translation:
public SeriesListRecord(RecordInputStream in1){int nItems = in1.ReadUShort();short[] ss = new short[nItems];for (int i = 0; i < nItems; i++) {ss[i] = in1.ReadShort();}field_1_seriesNumbers = ss;}
// Original:
public boolean equals(Object obj) {if (obj == this) {return true;}else if (!(obj instanceof LexerModeAction)) {return false;}return mode == ((LexerModeAction)obj).mode;}

// Translation:
public override bool Equals(object obj){if (obj == this){return true;}else{if (!(obj is Antlr4.Runtime.Atn.LexerModeAction)){return false;}}return mode == ((Antlr4.Runtime.Atn.LexerModeAction)obj).mode;}
// Original:
public String getLineDelimiter() {if (size() == 0) {return null;}int e = getEnd(0);if (content[e - 1] != '\n') {return null;}if (content.length > 1 && e > 1 && content[e - 2] == '\r') {return "\r\n"; }return "\n"; }

// Translation:
public virtual string GetLineDelimiter(){if (Size() == 0){return null;}int e = GetEnd(0);if (content[e - 1] != '\n'){return null;}if (content.Length > 1 && content[e - 2] == '\r'){return "\r\n";}else{return "\n";}}
// Original:
public NormalisedDecimal roundUnits() {long wholePart = _wholePart;if (_fractionalPart >= FRAC_HALF) {wholePart++;}int de = _relativeDecimalExponent;if (wholePart < MAX_REP_WHOLE_PART) {return new NormalisedDecimal(wholePart, 0, de);}return new NormalisedDecimal(wholePart/10, 0, de+1);}

// Translation:
public NormalisedDecimal RoundUnits(){long wholePart = _wholePart;if (_fractionalPart >= FRAC_HALF){wholePart++;}int de = _relativeDecimalExponent;if (wholePart < MAX_REP_WHOLE_PART){return new NormalisedDecimal(wholePart, 0, de);}return new NormalisedDecimal(wholePart / 10, 0, de + 1);}
// Original:
public PLSAggregate(RecordStream rs) {_pls = rs.getNext();if (rs.peekNextSid()==ContinueRecord.sid) {List<ContinueRecord> temp = new ArrayList<>();while (rs.peekNextSid()==ContinueRecord.sid) {temp.add((ContinueRecord)rs.getNext());}_plsContinues = new ContinueRecord[temp.size()];temp.toArray(_plsContinues);} else {_plsContinues = EMPTY_CONTINUE_RECORD_ARRAY;}}

// Translation:
public PLSAggregate(RecordStream rs){_pls = rs.GetNext();if (rs.PeekNextSid() == ContinueRecord.sid){List<ContinueRecord> temp = new List<ContinueRecord>();while (rs.PeekNextSid() == ContinueRecord.sid){temp.Add((ContinueRecord)rs.GetNext());}_plsContinues = new ContinueRecord[temp.Count];_plsContinues = temp.ToArray();}else{_plsContinues = EMPTY_CONTINUE_RECORD_ARRAY;}}
// Original:
public AssociateDelegateToResourceResult associateDelegateToResource(AssociateDelegateToResourceRequest request) {request = beforeClientExecution(request);return executeAssociateDelegateToResource(request);}

// Translation:
public virtual AssociateDelegateToResourceResponse AssociateDelegateToResource(AssociateDelegateToResourceRequest request){var options = new InvokeOptions();options.RequestMarshaller = AssociateDelegateToResourceRequestMarshaller.Instance;options.ResponseUnmarshaller = AssociateDelegateToResourceResponseUnmarshaller.Instance;return Invoke<AssociateDelegateToResourceResponse>(request, options);}
// Original:
public static void setDefault(CredentialsProvider p) {defaultProvider = p;}

// Translation:
public static void SetDefault(CredentialsProvider p){defaultProvider = p;}
// Original:
public EscherProperty getEscherProperty( int index ){return properties.get( index );}

// Translation:
public EscherProperty GetEscherProperty(int index){return properties[index];}
// Original:
@Override public void add(int index, E object) {synchronized (CopyOnWriteArrayList.this) {slice.checkPositionIndex(index);slice.checkConcurrentModification(elements);CopyOnWriteArrayList.this.add(index + slice.from, object);slice = new Slice(elements, slice.from, slice.to + 1);}}

// Translation:
public virtual void add(int index, E e){lock (this){object[] newElements = new object[elements.Length + 1];System.Array.Copy(elements, 0, newElements, 0, index);newElements[index] = e;System.Array.Copy(elements, index, newElements, index + 1, elements.Length - index);elements = newElements;}}
// Original:
public static BitField getInstance(int mask) {BitField f = instances.get(Integer.valueOf(mask));if (f == null) {f = new BitField(mask);instances.put(Integer.valueOf(mask), f);}return f;}

// Translation:
public static BitField GetInstance(int mask){BitField f = (BitField)instances[mask];if (f == null){f = new BitField(mask);instances[mask] = f;}return f;}
// Original:
public boolean get(int doc) {final int reader = ReaderUtil.subIndex(doc, starts);assert reader != -1;final Bits bits = subs[reader];if (bits == null) {return defaultValue;} else {assert checkLength(reader, doc);return bits.get(doc-starts[reader]);}}

// Translation:
public bool Get(int doc){int reader = ReaderUtil.SubIndex(doc, starts);Debug.Assert(reader != -1);IBits bits = subs[reader];if (bits == null){return sefaultValue;}else{Debug.Assert(CheckLength(reader, doc));return bits.Get(doc - starts[reader]);}}
// Original:
public DeleteFieldLevelEncryptionProfileResult deleteFieldLevelEncryptionProfile(DeleteFieldLevelEncryptionProfileRequest request) {request = beforeClientExecution(request);return executeDeleteFieldLevelEncryptionProfile(request);}

// Translation:
public virtual DeleteFieldLevelEncryptionProfileResponse DeleteFieldLevelEncryptionProfile(DeleteFieldLevelEncryptionProfileRequest request){var options = new InvokeOptions();options.RequestMarshaller = DeleteFieldLevelEncryptionProfileRequestMarshaller.Instance;options.ResponseUnmarshaller = DeleteFieldLevelEncryptionProfileResponseUnmarshaller.Instance;return Invoke<DeleteFieldLevelEncryptionProfileResponse>(request, options);}
// Original:
public EscherComplexProperty(short id, byte[] complexData) {this(id, complexData == null ? 0 : complexData.length);setComplexData(complexData);}

// Translation:
public EscherComplexProperty(short id, byte[] complexData): base(id){this._complexData = complexData;}
// Original:
public TermVectorsReader clone() {if (in == null) {throw new AlreadyClosedException("this TermVectorsReader is closed");}return new SimpleTextTermVectorsReader(offsets, in.clone());}

// Translation:
public override object Clone(){if (_input == null){throw new ObjectDisposedException(this.GetType().GetTypeInfo().FullName, "this TermVectorsReader is closed");}return new SimpleTextTermVectorsReader(_offsets, (IndexInput)_input.Clone());}
// Original:
public static void fill(short[] array, short value) {for (int i = 0; i < array.length; i++) {array[i] = value;}}

// Translation:
public static void fill(short[] array, short value){{for (int i = 0; i < array.Length; i++){array[i] = value;}}}
// Original:
public final int getEndB() {return endB;}

// Translation:
public int GetEndB(){return endB;}
// Original:
public DescribeAutoMLJobResult describeAutoMLJob(DescribeAutoMLJobRequest request) {request = beforeClientExecution(request);return executeDescribeAutoMLJob(request);}

// Translation:
public virtual DescribeAutoMLJobResponse DescribeAutoMLJob(DescribeAutoMLJobRequest request){var options = new InvokeOptions();options.RequestMarshaller = DescribeAutoMLJobRequestMarshaller.Instance;options.ResponseUnmarshaller = DescribeAutoMLJobResponseUnmarshaller.Instance;return Invoke<DescribeAutoMLJobResponse>(request, options);}
// Original:
public SelectionRecord(int activeCellRow, int activeCellCol) {field_1_pane = 3; field_2_row_active_cell = activeCellRow;field_3_col_active_cell = activeCellCol;field_4_active_cell_ref_index = 0;field_6_refs = new CellRangeAddress8Bit[] {new CellRangeAddress8Bit(activeCellRow, activeCellRow, activeCellCol, activeCellCol),};}

// Translation:
public SelectionRecord(int activeCellRow, int activeCellCol){field_1_pane = 3; field_2_row_active_cell = activeCellRow;field_3_col_active_cell = activeCellCol;field_4_ref_active_cell = 0;field_6_refs = new CellRangeAddress8Bit[] {new CellRangeAddress8Bit(activeCellRow, activeCellRow, activeCellCol, activeCellCol),};}
// Original:
public InvalidationBatch(String callerReference) {setCallerReference(callerReference);}

// Translation:
public InvalidationBatch(string callerReference){_callerReference = callerReference;}
// Original:
public int compareTo(IndexCommit commit) {if (getDirectory() != commit.getDirectory()) {throw new UnsupportedOperationException("cannot compare IndexCommits from different Directory instances");}long gen = getGeneration();long comgen = commit.getGeneration();return Long.compare(gen, comgen);}

// Translation:
public virtual int CompareTo(IndexCommit commit){if (Directory != commit.Directory){throw new System.NotSupportedException("cannot compare IndexCommits from different Directory instances");}long gen = Generation;long comgen = commit.Generation;if (gen < comgen){return -1;}else if (gen > comgen){return 1;}else{return 0;}}
// Original:
public void serialize(LittleEndianOutput out) {out.writeShort(getOptions());out.writeShort(getTopRow());out.writeShort(getLeftCol());out.writeInt(getHeaderColor());out.writeShort(getPageBreakZoom());out.writeShort(getNormalZoom());out.writeInt(getReserved());}

// Translation:
public override void Serialize(ILittleEndianOutput out1){out1.WriteShort(Options);out1.WriteShort(TopRow);out1.WriteShort(LeftCol);out1.WriteInt(HeaderColor);out1.WriteShort(PageBreakZoom);out1.WriteShort(NormalZoom);out1.WriteInt(Reserved);}
// Original:
public PhoneticFilter create(TokenStream input) {return new PhoneticFilter(input, getEncoder(), inject);}

// Translation:
public override TokenStream Create(TokenStream input){return new PhoneticFilter(input, GetEncoder(), inject);}
// Original:
public StartMatchmakingResult startMatchmaking(StartMatchmakingRequest request) {request = beforeClientExecution(request);return executeStartMatchmaking(request);}

// Translation:
public virtual StartMatchmakingResponse StartMatchmaking(StartMatchmakingRequest request){var options = new InvokeOptions();options.RequestMarshaller = StartMatchmakingRequestMarshaller.Instance;options.ResponseUnmarshaller = StartMatchmakingResponseUnmarshaller.Instance;return Invoke<StartMatchmakingResponse>(request, options);}
// Original:
public CreateReusableDelegationSetResult createReusableDelegationSet(CreateReusableDelegationSetRequest request) {request = beforeClientExecution(request);return executeCreateReusableDelegationSet(request);}

// Translation:
public virtual CreateReusableDelegationSetResponse CreateReusableDelegationSet(CreateReusableDelegationSetRequest request){var options = new InvokeOptions();options.RequestMarshaller = CreateReusableDelegationSetRequestMarshaller.Instance;options.ResponseUnmarshaller = CreateReusableDelegationSetResponseUnmarshaller.Instance;return Invoke<CreateReusableDelegationSetResponse>(request, options);}
// Original:
public GC setProgressMonitor(ProgressMonitor pm) {this.pm = (pm == null) ? NullProgressMonitor.INSTANCE : pm;return this;}

// Translation:
public virtual GC SetProgressMonitor(ProgressMonitor pm){this.pm = (pm == null) ? NullProgressMonitor.INSTANCE : pm;return this;}
// Original:
public synchronized String getRegionId() {return regionId;}

// Translation:
public string GetRegionId(){return regionId;}
// Original:
public CreateVpcEndpointServiceConfigurationResult createVpcEndpointServiceConfiguration(CreateVpcEndpointServiceConfigurationRequest request) {request = beforeClientExecution(request);return executeCreateVpcEndpointServiceConfiguration(request);}

// Translation:
public virtual CreateVpcEndpointServiceConfigurationResponse CreateVpcEndpointServiceConfiguration(CreateVpcEndpointServiceConfigurationRequest request){var options = new InvokeOptions();options.RequestMarshaller = CreateVpcEndpointServiceConfigurationRequestMarshaller.Instance;options.ResponseUnmarshaller = CreateVpcEndpointServiceConfigurationResponseUnmarshaller.Instance;return Invoke<CreateVpcEndpointServiceConfigurationResponse>(request, options);}
// Original:
public IndexableField getField(FieldInfo fieldInfo) {fieldNames.add(fieldInfo.name);List<LazyField> values = fields.get(fieldInfo.number);if (null == values) {values = new ArrayList<>();fields.put(fieldInfo.number, values);}LazyField value = new LazyField(fieldInfo.name, fieldInfo.number);values.add(value);synchronized (this) {doc = null;}return value;}

// Translation:
public virtual IIndexableField GetField(FieldInfo fieldInfo){fieldNames.Add(fieldInfo.Name);IList<LazyField> values;if (!fields.TryGetValue(fieldInfo.Number, out values) || null == values){values = new List<LazyField>();fields[fieldInfo.Number] = values;}LazyField value = new LazyField(this, fieldInfo.Name, fieldInfo.Number);values.Add(value);lock (this){doc = null;}return value;}
// Original:
public static int nextHighestPowerOfTwo(int v) {v--;v |= v >> 1;v |= v >> 2;v |= v >> 4;v |= v >> 8;v |= v >> 16;v++;return v;}

// Translation:
public static int NextHighestPowerOfTwo(int v){v--;v |= v >> 1;v |= v >> 2;v |= v >> 4;v |= v >> 8;v |= v >> 16;v++;return v;}
// Original:
public boolean contains(int x, int y) {return isValid() &&x >= this.x &&y >= this.y &&x < (this.x + this.w) &&y < (this.y + this.h);}

// Translation:
public bool contains(int x, int y){return left < right && top < bottom && x >= left && x < right && y >= top && y <bottom;}
// Original:
public int getFormat() {return PACK_DELTA;}

// Translation:
public override int GetFormat(){return PACK_DELTA;}
// Original:
public Tag(String key) {setKey(key);}

// Translation:
public Tag(string key){_key = key;}
// Original:
public InactivatePhotosRequest() {super("CloudPhoto", "2017-07-11", "InactivatePhotos", "cloudphoto");setProtocol(ProtocolType.HTTPS);}

// Translation:
public InactivatePhotosRequest(): base("CloudPhoto", "2017-07-11", "InactivatePhotos", "cloudphoto", "openAPI"){Protocol = ProtocolType.HTTPS;}
// Original:
public DescribeEventSubscriptionsResult describeEventSubscriptions() {return describeEventSubscriptions(new DescribeEventSubscriptionsRequest());}

// Translation:
public virtual DescribeEventSubscriptionsResponse DescribeEventSubscriptions(){return DescribeEventSubscriptions(new DescribeEventSubscriptionsRequest());}
// Original:
public short get(int index) {checkIndex(index);return byteBuffer.getShort(index * SizeOf.SHORT);}

// Translation:
public override short get(int index){checkIndex(index);return byteBuffer.getShort(index * libcore.io.SizeOf.SHORT);}
// Original:
public boolean isExportAll() {return exportAll;}

// Translation:
public virtual bool IsExportAll(){return exportAll;}
// Original:
public static void validateSecondArg(int comparisonOperator, String paramValue) {switch (comparisonOperator) {case BETWEEN:case NOT_BETWEEN:if (paramValue == null) {throw new IllegalArgumentException("expr2 must be supplied for 'between' comparisons");}}}

// Translation:
public static void ValidateSecondArg(int comparisonOperator, String paramValue){switch (comparisonOperator){case BETWEEN:if (paramValue == null){throw new ArgumentException("expr2 must be supplied for 'between' comparisons");}break;case NOT_BETWEEN:if (paramValue == null){throw new ArgumentException("expr2 must be supplied for 'between' comparisons");}break;}}
// Original:
public V next() {V v = nextValue;advance();return v;}

// Translation:
public override V next(){return this.nextEntry().value;}
// Original:
public UpdateSchemaResult updateSchema(UpdateSchemaRequest request) {request = beforeClientExecution(request);return executeUpdateSchema(request);}

// Translation:
public virtual UpdateSchemaResponse UpdateSchema(UpdateSchemaRequest request){var options = new InvokeOptions();options.RequestMarshaller = UpdateSchemaRequestMarshaller.Instance;options.ResponseUnmarshaller = UpdateSchemaResponseUnmarshaller.Instance;return Invoke<UpdateSchemaResponse>(request, options);}
// Original:
public PortugueseMinimalStemFilterFactory(Map<String,String> args) {super(args);if (!args.isEmpty()) {throw new IllegalArgumentException("Unknown parameters: " + args);}}

// Translation:
public PortugueseMinimalStemFilterFactory(IDictionary<string, string> args): base(args){if (args.Count > 0){throw new System.ArgumentException("Unknown parameters: " + args);}}
// Original:
public SeriesChartGroupIndexRecord(RecordInputStream in) {field_1_chartGroupIndex = in.readShort();}

// Translation:
public SeriesChartGroupIndexRecord(RecordInputStream in1){field_1_chartGroupIndex = in1.ReadShort();}
// Original:
public ValueEval evaluate(int srcCellRow, int srcCellCol) {return ErrorEval.NA;}

// Translation:
public override ValueEval Evaluate(int srcCellRow, int srcCellCol){return ErrorEval.NA;}
// Original:
public E get(int key) {return get(key, null);}

// Translation:
public virtual E get(int key){return get(key, default(E));}
// Original:
public DescribeComponentConfigurationResult describeComponentConfiguration(DescribeComponentConfigurationRequest request) {request = beforeClientExecution(request);return executeDescribeComponentConfiguration(request);}

// Translation:
public virtual DescribeComponentConfigurationResponse DescribeComponentConfiguration(DescribeComponentConfigurationRequest request){var options = new InvokeOptions();options.RequestMarshaller = DescribeComponentConfigurationRequestMarshaller.Instance;options.ResponseUnmarshaller = DescribeComponentConfigurationResponseUnmarshaller.Instance;return Invoke<DescribeComponentConfigurationResponse>(request, options);}
// Original:
public CellRangeAddressList copy() {CellRangeAddressList result = new CellRangeAddressList();int nItems = _list.size();for (int k = 0; k < nItems; k++) {CellRangeAddress region = _list.get(k);result.addCellRangeAddress(region.copy());}return result;}

// Translation:
public CellRangeAddressList Copy(){CellRangeAddressList result = new CellRangeAddressList();int nItems = _list.Count;for (int k = 0; k < nItems; k++){CellRangeAddress region = (CellRangeAddress)_list[k];result.AddCellRangeAddress(region.Copy());}return result;}
// Original:
public DescribeClientVpnAuthorizationRulesResult describeClientVpnAuthorizationRules(DescribeClientVpnAuthorizationRulesRequest request) {request = beforeClientExecution(request);return executeDescribeClientVpnAuthorizationRules(request);}

// Translation:
public virtual DescribeClientVpnAuthorizationRulesResponse DescribeClientVpnAuthorizationRules(DescribeClientVpnAuthorizationRulesRequest request){var options = new InvokeOptions();options.RequestMarshaller = DescribeClientVpnAuthorizationRulesRequestMarshaller.Instance;options.ResponseUnmarshaller = DescribeClientVpnAuthorizationRulesResponseUnmarshaller.Instance;return Invoke<DescribeClientVpnAuthorizationRulesResponse>(request, options);}
// Original:
public HSSFConditionalFormattingRule getRule(int idx) {CFRuleBase ruleRecord = cfAggregate.getRule(idx);return new HSSFConditionalFormattingRule(sheet, ruleRecord);}

// Translation:
public IConditionalFormattingRule GetRule(int idx){CFRuleRecord ruleRecord = cfAggregate.GetRule(idx);return new HSSFConditionalFormattingRule(_workbook, ruleRecord);}
// Original:
public final Ref getAdvertisedRef(String name) {return advertisedRefs.get(name);}

// Translation:
public Ref GetAdvertisedRef(string name){return advertisedRefs.Get(name);}
// Original:
public int getType() {return delegate().getType();}

// Translation:
public override int GetType(){return type;}
// Original:
public DeleteCustomVerificationEmailTemplateResult deleteCustomVerificationEmailTemplate(DeleteCustomVerificationEmailTemplateRequest request) {request = beforeClientExecution(request);return executeDeleteCustomVerificationEmailTemplate(request);}

// Translation:
public virtual DeleteCustomVerificationEmailTemplateResponse DeleteCustomVerificationEmailTemplate(DeleteCustomVerificationEmailTemplateRequest request){var options = new InvokeOptions();options.RequestMarshaller = DeleteCustomVerificationEmailTemplateRequestMarshaller.Instance;options.ResponseUnmarshaller = DeleteCustomVerificationEmailTemplateResponseUnmarshaller.Instance;return Invoke<DeleteCustomVerificationEmailTemplateResponse>(request, options);}
// Original:
public void setRefLogMessage(String msg) {if (msg == null)disableRefLog();elsedestination.setRefLogMessage(msg, false);}

// Translation:
public virtual void SetRefLogMessage(string msg){if (msg == null){DisableRefLog();}else{destination.SetRefLogMessage(msg, false);}}
// Original:
public CreateVpcEndpointConnectionNotificationResult createVpcEndpointConnectionNotification(CreateVpcEndpointConnectionNotificationRequest request) {request = beforeClientExecution(request);return executeCreateVpcEndpointConnectionNotification(request);}

// Translation:
public virtual CreateVpcEndpointConnectionNotificationResponse CreateVpcEndpointConnectionNotification(CreateVpcEndpointConnectionNotificationRequest request){var options = new InvokeOptions();options.RequestMarshaller = CreateVpcEndpointConnectionNotificationRequestMarshaller.Instance;options.ResponseUnmarshaller = CreateVpcEndpointConnectionNotificationResponseUnmarshaller.Instance;return Invoke<CreateVpcEndpointConnectionNotificationResponse>(request, options);}
// Original:
public ValueEval evaluate(int srcRowIndex, int srcColumnIndex, ValueEval arg0) {int rnum;if (arg0 instanceof AreaEval) {rnum = ((AreaEval) arg0).getFirstColumn();} else if (arg0 instanceof RefEval) {rnum = ((RefEval) arg0).getColumn();} else {return ErrorEval.VALUE_INVALID;}return new NumberEval(rnum + 1);}

// Translation:
public ValueEval Evaluate(int srcRowIndex, int srcColumnIndex, ValueEval arg0){int rnum;if (arg0 is AreaEval){rnum = ((AreaEval)arg0).FirstColumn;}else if (arg0 is RefEval){rnum = ((RefEval)arg0).Column;}else{return ErrorEval.VALUE_INVALID;}return new NumberEval(rnum + 1);}