To update the contents of the ResultSet you need to create a statement by passing the ResultSet type updatable, as://Creating a Statement object Statement stmt = con.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_UPDATABLE);Just like getXXX() and setXXX() methods ResultSet interface also provides methods to update the contents of a row in a result set updateXXX().These ... Read More

Following is our file:Path p = Paths.get("E:/input.txt"); FileStore file = Files.getFileStore(p);Now, check for the supported attributes one by one:FileAttributeView = file.supportsFileAttributeView(FileAttributeView.class) PosixFileAttributeView = file.supportsFileAttributeView(PosixFileAttributeView.class) BasicFileAttributeView = file.supportsFileAttributeView(BasicFileAttributeView.class)Exampleimport java.nio.file.FileStore; import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.Paths; import java.nio.file.attribute.BasicFileAttributeView; import java.nio.file.attribute.FileAttributeView; import java.nio.file.attribute.FileOwnerAttributeView; import java.nio.file.attribute.PosixFileAttributeView; public class Demo {    public static void ... Read More

To format and display datetime, you need to use DateTimeFormatter. The format style is MEDIUM and SHORT:DateTimeFormatter formatter = DateTimeFormatter .ofLocalizedDateTime(FormatStyle.MEDIUM, FormatStyle.SHORT);Display the formatted date:formatter.format(LocalDateTime.now()Exampleimport java.time.LocalDateTime; import java.time.format.DateTimeFormatter; import java.time.format.FormatStyle; public class Demo {    public static void main(String[] args) {       DateTimeFormatter formatter = DateTimeFormatter .ofLocalizedDateTime(FormatStyle.MEDIUM, FormatStyle.SHORT); ... Read More

To format and display datetime, you need to use DateTimeFormatter and use the pattern as:DateTimeFormatter dtFormat = DateTimeFormatter.ofPattern("MMM dd yyyy hh:mm a z");Above, the z is the timezone:MMM dd yyyy hh:mm a zNow, use the following for zone:ZonedDateTime dateTime = ZonedDateTime.now();Exampleimport java.time.ZonedDateTime; import java.time.format.DateTimeFormatter; public class Demo {    public ... Read More

At first, set the date:LocalDateTime dateTime = LocalDateTime.of(2019, Month.JULY, 9, 10, 20);Now, format the datetime as ISO_DATE_TIME format:String str = dateTime.format(DateTimeFormatter.ISO_DATE_TIME);Exampleimport java.time.LocalDateTime; import java.time.Month; import java.time.format.DateTimeFormatter; public class Demo {    public static void main(String[] args) {       LocalDateTime dateTime = LocalDateTime.of(2019, Month.JULY, 9, 10, 20);     ... Read More

At first, set the date:LocalDateTime dateTime = LocalDateTime.of(2019, Month.SEPTEMBER, 9, 10, 20);Now, format the datetime as ISO_WEEK_DATE format:String str = dateTime.format(DateTimeFormatter.ISO_WEEK_DATE);Exampleimport java.time.LocalDateTime; import java.time.Month; import java.time.format.DateTimeFormatter; public class Demo {    public static void main(String[] args) {       LocalDateTime dateTime = LocalDateTime.of(2019, Month.SEPTEMBER, 9, 10, 20);     ... Read More

The mapToObj() method in the IntStream class returns an object-valued Stream consisting of the results of applying the given function to the elements of this stream.The syntax is as follows. StreammapToObj(IntFunction

The mapToLong() function in IntStream class returns a LongStream consisting of the results of applying the given function to the elements of this stream.The syntax is as follows.LongStream mapToLong(IntToLongFunction mapper)Here, the parameter mapper is a stateless function to apply to each element.Create an IntStream with some elements in the Stream.IntStream ... Read More

The collectingAndThen() method in Java Collectors class acclimates a Collector to perform an additional finishing transformation. It returns collector which performs the action of the downstream collector, followed by an additional ending step.The syntax is as follows.static Collector collectingAndThen(Collector downstream, Function finisher)Here, the parameter, T − Type of the ... Read More

The partioningBy() method returns a Collector that partitions the input elements according to a Predicate, and organizes them into a Map.The syntax is as follows.static Collector partitioningBy(Predicate