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Java Articles
Page 52 of 450
DoubleStream forEachOrdered() method in Java
The forEachOrdered() method of the DoubleStream class in Java performs an action for each element of this stream. This assures that each element is processed in encounter order for streams that have a defined encounter order.The syntax is as followsvoid forEachOrdered(DoubleConsumer action)Here, DoubleConsumer represents an operation that accepts a single double-valued argument and returns no result. The parameter action is a non-interfering action to perform on the elements.To use the DoubleStream class in Java, import the following packageimport java.util.stream.DoubleStream;The following is an example to implement DoubleStream forEachOrdered() method in Java:Exampleimport java.util.stream.DoubleStream; public class Demo { public static void main(String[] ...
Read MoreIntStream of() method in Java
The IntStream class in Java the following two forms of of() methodIntStream of(int t) methodThe following of() method returns a sequential IntStream containing a single element. Here is the syntaxstatic IntStream of(int t)Here, parameter t is the single element.IntStream of(int… values) methodThe following of() method returns a sequentially ordered stream whose elements are the specified valuesstatic IntStream of(int… values)Here, the parameter values are the elements of the new stream.The following is an example to implement IntStream of() method in JavaExampleimport java.util.*; import java.util.stream.IntStream; public class Demo { public static void main(String[] args) { IntStream intStream = ...
Read MoreIntStream forEach() method in Java
The forEach() method is used in Java to perform an action for each element of this stream. Display the stream using the forEach() method in Java IntStreamThe syntax is as followsvoid forEach(IntConsumer action)Here, action is a non-interfering action to perform on the elements.Create IntStream and add elementsIntStream intStream = IntStream.of(15, 30, 40, 60, 75, 90);Now, display the streamintStream.forEach(System.out::println);The following is an example to implement IntStream forEach() method in JavaExampleimport java.util.*; import java.util.stream.IntStream; public class Demo { public static void main(String[] args) { IntStream intStream = IntStream.of(15, 30, 40, 60, 75, 90); intStream.forEach(System.out::println); } }Output15 30 40 60 75 90
Read MoreIntStream generate() method in Java
The generate() method in the IntStream class returns an infinite sequential unordered stream where each element is generated by the provided IntSupplier.The syntax is as followsstatic IntStream generate(IntSupplier i)Here, i is the IntSupplier for generated elements. The IntSupplier represents a supplier of int-valued results.The following is an example to implement IntStream generate() method in Java. We have used the limit() method here as well to limit the number of elements we want from the streamExampleimport java.util.*; import java.util.stream.IntStream; public class Demo { public static void main(String[] args) { IntStream intStream = IntStream.generate(() -> ...
Read MoreLongStream forEach() method in Java
The forEach() method of the LongStream class in Java performs an action for each element of this stream.The syntax is as followsvoid forEach(LongConsumer action)Here, the parameter action is a non-interfering action to perform on the elements. LongConsumer represents an operation that accepts a single long-valued argument and returns no result.To use the LongStream class in Java, import the following packageimport java.util.stream.LongStream;The following is an example to implement LongStream forEach() method in JavaExampleimport java.util.*; import java.util.stream.LongStream; public class Demo { public static void main(String[] args) { LongStream longStream = LongStream.of(1000L, 12000L, 30000L); ...
Read MoreIntStream min() method in Java
The IntStream min() method in the Java IntStream class is used to get the minimum element from the stream. It returns an OptionalInt describing the minimum element of this stream, or an empty optional if this stream is empty.The syntax is as followsOptionalInt min()Here, OptionalInt is a container object which may or may not contain an int value.Create an IntStream and add some elementsIntStream intStream = IntStream.of(89, 45, 67, 12, 78, 99, 100);Now, get the minimum element of the streamOptionalInt res = intStream.min();The following is an example to implement IntStream min() method in Java. The isPresent() method of the OptionalInt ...
Read MoreLongStream.Builder build() method in Java
The build() method of the LongStream.Builder class builds the stream, transitioning this builder to the built state.The syntax is as followsLongStream build()To use the LongStream.Builder class in Java, import the following packageimport java.util.stream.LongStream;The following is an example to implement LongStream.Builder build() method in JavaExampleimport java.util.stream.LongStream; public class Demo { public static void main(String[] args) { LongStream.Builder builder = LongStream.builder(); builder.accept(255L); builder.accept(570L); builder.accept(355L); builder.accept(155L); ...
Read MoreIntStream average() method in Java
The average() method of the IntStream class in Java returns an OptionalDouble describing the arithmetic mean of elements of this stream, or an empty optional if this stream is empty. It gets the average of the elements of the stream.The syntax is as followsOptionalDouble average()Here, OptionalDouble is a container object which may or may not contain a double value.Create an IntStream with some elementsIntStream intStream = IntStream.of(15, 13, 45, 18, 89, 70, 76, 56);Now, get the average of the elements of the streamOptionalDouble res = intStream.average();The following is an example to implement IntStream average() method in Java. The isPresent() method ...
Read MoreCollectors averagingDouble() method in Java 8
The averagingDouble() method of the Collectors class in Java 8 returns a Collector that is the arithmetic mean of a double-valued function applied to the input elements.The syntax is as follows −public static Collector averagingDouble(ToDoubleFunction
Read MoreLongStream rangeClosed() method in Java
The rangeClosed() method of the LongStream class in Java returns a sequential ordered LongStream from startInclusive to endExclusive by an incremental step of 1. This is inclusive of the initial element and the last element.The syntax is as follows −static LongStream rangeClosed(long startInclusive, long endExclusive)Here, startInclusive is the first value, whereas the endExclusive is the last.To use the LongStream class in Java, import the following package −import java.util.stream.LongStream;The following is an example to implement LongStream rangeClosed() method in Java −Exampleimport java.util.stream.LongStream; public class Demo { public static void main(String[] args) { ...
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