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DoubleStream allMatch() method in Java
The allMatch() method in the DoubleStream class returns whether all elements of this stream match the provided predicate.
The syntax is as follows −
boolean allMatch(DoublePredicate predicate)
Here, the argument predicate is a stateless predicate to apply to elements of this stream. The DoublePredicate is a predicate of one double-valued argument.
To use the DoubleStream class in Java, import the following package −
import java.util.stream.DoubleStream;
Create DoubleStream and add some elements −
DoubleStream doubleStream = DoubleStream.of(15.8, 28.7, 35.7, 48.1, 78.9);
Now, check whether the condition is TRUE for elements of the stream −
boolean res = doubleStream.allMatch(num -> num > 10);
The following is an example to implement DoubleStream allMatch() method in Java
Example
import java.util.*; import java.util.stream.DoubleStream; public class Demo { public static void main(String[] args) { DoubleStream doubleStream = DoubleStream.of(15.8, 28.7, 35.7, 48.1, 78.9); boolean res = doubleStream.allMatch(num -> num > 10); System.out.println("Do all the elements match the predicate? "+res); } }
Output
Do all the elements match the predicate? True
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