removed unused imports and wildcards

src/main/java/com/microsoft/sqlserver/jdbc/Column.java

@@ -19,9 +19,8 @@
 
 package com.microsoft.sqlserver.jdbc;
 
-import java.math.BigDecimal;
 import java.text.MessageFormat;
-import java.util.*;
+import java.util.Calendar;
 
 
 /**

src/main/java/com/microsoft/sqlserver/jdbc/DDC.java

@@ -18,15 +18,28 @@
 
 
 package com.microsoft.sqlserver.jdbc;
-import java.math.*;
-import java.io.*;
-import java.nio.charset.*;
-import java.nio.*;
-import java.text.*;
-import java.util.*;
-
 import static java.nio.charset.StandardCharsets.US_ASCII;
 
+import java.io.BufferedReader;
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.Reader;
+import java.io.StringReader;
+import java.io.UnsupportedEncodingException;
+import java.math.BigDecimal;
+import java.math.BigInteger;
+import java.math.RoundingMode;
+import java.nio.ByteBuffer;
+import java.nio.CharBuffer;
+import java.nio.charset.Charset;
+import java.text.MessageFormat;
+import java.util.Calendar;
+import java.util.GregorianCalendar;
+import java.util.Locale;
+import java.util.TimeZone;
+
 /**
  * Utility class for all Data Dependant Conversions (DDC).
  */

src/main/java/com/microsoft/sqlserver/jdbc/DataTypes.java

@@ -19,12 +19,22 @@
 
 
 package com.microsoft.sqlserver.jdbc;
-import java.io.*;
-import java.math.*;
-import java.sql.*;
-import java.text.*;
-import java.util.*;
-import java.time.*;
+import java.io.InputStream;
+import java.io.Reader;
+import java.math.BigDecimal;
+import java.math.BigInteger;
+import java.sql.Blob;
+import java.sql.Clob;
+import java.sql.NClob;
+import java.sql.ResultSet;
+import java.text.MessageFormat;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.LocalTime;
+import java.time.OffsetDateTime;
+import java.time.OffsetTime;
+import java.util.EnumMap;
+import java.util.EnumSet;
 
 
 enum TDSType

src/main/java/com/microsoft/sqlserver/jdbc/FailOverInfo.java

@@ -18,8 +18,8 @@
 
 
 package com.microsoft.sqlserver.jdbc;
-import java.util.logging.*;
-import java.text.*;
+import java.text.MessageFormat;
+import java.util.logging.Level;
 
 
 /**

src/main/java/com/microsoft/sqlserver/jdbc/FailOverMapSingleton.java

@@ -19,9 +19,8 @@
 
 
 package com.microsoft.sqlserver.jdbc;
-import java.util.*;
-
-import java.util.logging.*;
+import java.util.HashMap;
+import java.util.logging.Level;
 
 
 final class FailoverMapSingleton  

src/main/java/com/microsoft/sqlserver/jdbc/IOBuffer.java

@@ -18,23 +18,66 @@
 
 
 package com.microsoft.sqlserver.jdbc;
-import java.io.*;
-import java.nio.*;
-import java.nio.channels.*;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.Reader;
+import java.io.UnsupportedEncodingException;
+import java.math.BigDecimal;
+import java.math.BigInteger;
+import java.math.RoundingMode;
+import java.net.Inet4Address;
+import java.net.Inet6Address;
+import java.net.InetAddress;
+import java.net.InetSocketAddress;
+import java.net.Socket;
+import java.net.SocketAddress;
+import java.net.SocketException;
+import java.net.SocketTimeoutException;
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+import java.nio.channels.SelectionKey;
+import java.nio.channels.Selector;
+import java.nio.channels.SocketChannel;
 import java.nio.charset.Charset;
-import java.net.*;
-import java.math.*;
-import java.util.concurrent.*;
-import java.util.*;
-import java.util.logging.*;
+import java.security.KeyStore;
+import java.security.Provider;
+import java.security.Security;
+import java.security.cert.CertificateException;
+import java.security.cert.X509Certificate;
+import java.sql.Timestamp;
 import java.text.MessageFormat;
-import java.time.*;
+import java.time.OffsetDateTime;
+import java.time.OffsetTime;
+import java.util.Arrays;
+import java.util.Calendar;
+import java.util.Collection;
+import java.util.GregorianCalendar;
+import java.util.Iterator;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Locale;
+import java.util.Map;
 import java.util.Map.Entry;
-import javax.net.ssl.*;
+import java.util.Set;
+import java.util.SimpleTimeZone;
+import java.util.TimeZone;
+import java.util.concurrent.SynchronousQueue;
+import java.util.concurrent.ThreadPoolExecutor;
+import java.util.concurrent.TimeUnit;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import javax.net.ssl.SSLContext;
+import javax.net.ssl.SSLSocket;
+import javax.net.ssl.TrustManager;
+import javax.net.ssl.TrustManagerFactory;
+import javax.net.ssl.X509TrustManager;
 import javax.xml.bind.DatatypeConverter;
-import java.security.*;
-import java.security.cert.*;
-import java.sql.Timestamp;
 
 final class TDS
 {

src/main/java/com/microsoft/sqlserver/jdbc/ISQLServerCallableStatement.java

@@ -19,7 +19,7 @@
 
 package com.microsoft.sqlserver.jdbc;
 
-import java.sql.*;
+import java.sql.SQLException;
 
 /**
  * 

src/main/java/com/microsoft/sqlserver/jdbc/ISQLServerConnection.java

@@ -18,8 +18,8 @@
 
 
 package com.microsoft.sqlserver.jdbc;
-import java.util.UUID;
 import java.sql.SQLException;
+import java.util.UUID;
 
 /**
 *

src/main/java/com/microsoft/sqlserver/jdbc/ISQLServerDataRecord.java

@@ -19,8 +19,6 @@
 
 package com.microsoft.sqlserver.jdbc;
 
-import java.util.Set;
-
 /**
  * The ISQLServerDataRecord interface can be used to create classes that read in data from any source (such as a file)
  * and allow a structured type to be sent to SQL Server tables.

src/main/java/com/microsoft/sqlserver/jdbc/ISQLServerDataSource.java

@@ -18,7 +18,7 @@
 
 
 package com.microsoft.sqlserver.jdbc;
-import javax.sql.*;
+import javax.sql.CommonDataSource;
 
 
 /**

src/main/java/com/microsoft/sqlserver/jdbc/ISQLServerPreparedStatement.java

@@ -19,7 +19,7 @@
 
 package com.microsoft.sqlserver.jdbc;
 
-import java.sql.*;
+import java.sql.SQLException;
 
 public interface ISQLServerPreparedStatement extends java.sql.PreparedStatement, ISQLServerStatement
 {

src/main/java/com/microsoft/sqlserver/jdbc/ISQLServerResultSet.java

@@ -19,7 +19,7 @@
 
 package com.microsoft.sqlserver.jdbc;
 
-import java.sql.*;
+import java.sql.SQLException;
 
 public interface ISQLServerResultSet extends java.sql.ResultSet
 {

src/main/java/com/microsoft/sqlserver/jdbc/KerbAuthentication.java

@@ -18,13 +18,27 @@
 
 
 package com.microsoft.sqlserver.jdbc;
-import java.util.logging.*;
-import org.ietf.jgss.*;
-import javax.security.auth.Subject;
-import java.util.*;
-import javax.security.auth.login.*;
 import java.net.IDN;
-import java.security.*;
+import java.security.AccessControlContext;
+import java.security.AccessController;
+import java.security.PrivilegedActionException;
+import java.security.PrivilegedExceptionAction;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.logging.Level;
+
+import javax.security.auth.Subject;
+import javax.security.auth.login.AppConfigurationEntry;
+import javax.security.auth.login.Configuration;
+import javax.security.auth.login.LoginContext;
+import javax.security.auth.login.LoginException;
+
+import org.ietf.jgss.GSSContext;
+import org.ietf.jgss.GSSCredential;
+import org.ietf.jgss.GSSException;
+import org.ietf.jgss.GSSManager;
+import org.ietf.jgss.GSSName;
+import org.ietf.jgss.Oid;
 
 
 /**

src/main/java/com/microsoft/sqlserver/jdbc/KeyVaultCredential.java

@@ -20,8 +20,10 @@
 package com.microsoft.sqlserver.jdbc;
 
 import java.util.Map;
+
 import org.apache.http.Header;
 import org.apache.http.message.BasicHeader;
+
 import com.microsoft.azure.keyvault.authentication.KeyVaultCredentials;
 import com.microsoft.windowsazure.core.pipeline.filter.ServiceRequestContext;
 

src/main/java/com/microsoft/sqlserver/jdbc/PLPInputStream.java

@@ -19,7 +19,8 @@
 
 package com.microsoft.sqlserver.jdbc;
 
-import java.io.*;
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
 
 /**
 * PLPInputStream is an InputStream implementation that reads from a TDS PLP stream.

src/main/java/com/microsoft/sqlserver/jdbc/Parameter.java

@@ -18,13 +18,23 @@
 
 
 package com.microsoft.sqlserver.jdbc;
+import java.io.BufferedInputStream;
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.Reader;
 import java.math.BigDecimal;
-import java.io.*;
-import java.sql.*;
-import java.util.*;
+import java.sql.Blob;
+import java.sql.Clob;
+import java.sql.ResultSet;
 import java.text.MessageFormat;
-
-import java.time.*;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.LocalTime;
+import java.time.OffsetDateTime;
+import java.time.OffsetTime;
+import java.util.Calendar;
+import java.util.Locale;
 
 /**
  * Parameter represents a JDBC parameter value that is supplied with a prepared or callable

src/main/java/com/microsoft/sqlserver/jdbc/ReaderInputStream.java

@@ -18,9 +18,12 @@
 
 
 package com.microsoft.sqlserver.jdbc;
-import java.io.*;
-import java.nio.charset.*;
-import java.nio.*;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.Reader;
+import java.nio.ByteBuffer;
+import java.nio.CharBuffer;
+import java.nio.charset.Charset;
 import java.text.MessageFormat;
 
 /**

src/main/java/com/microsoft/sqlserver/jdbc/SQLCollation.java

@@ -19,10 +19,12 @@
 
 package com.microsoft.sqlserver.jdbc;
 
-import java.io.*;
+import java.io.UnsupportedEncodingException;
 import java.nio.charset.Charset;
-import java.util.*;
 import java.text.MessageFormat;
+import java.util.EnumSet;
+import java.util.HashMap;
+import java.util.Map;
 
 
 /**

src/main/java/com/microsoft/sqlserver/jdbc/SQLServerBlob.java

@@ -18,11 +18,17 @@
 
 
 package com.microsoft.sqlserver.jdbc;
-import java.sql.*;
-import java.io.*;
-import java.text.*;
-import java.util.*;
-import java.util.logging.*;
+import java.io.ByteArrayInputStream;
+import java.io.Closeable;
+import java.io.IOException;
+import java.io.InputStream;
+import java.sql.Blob;
+import java.sql.SQLException;
+import java.sql.SQLFeatureNotSupportedException;
+import java.text.MessageFormat;
+import java.util.ArrayList;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 /**
 * SQLServerBlob represents a binary LOB object and implements a java.sql.Blob.

src/main/java/com/microsoft/sqlserver/jdbc/SQLServerBulkCSVFileRecord.java

@@ -28,8 +28,9 @@
 import java.math.RoundingMode;
 import java.text.DecimalFormat;
 import java.text.MessageFormat;
-import java.time.*;
-import java.time.format.*;
+import java.time.OffsetDateTime;
+import java.time.OffsetTime;
+import java.time.format.DateTimeFormatter;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.Map;