DoubleStream.Builder accept(double t) is used to insert an element into the element in the building phase of stream. It accepts an element to the stream being built.
void accept(double t)
Parameters: This method accepts a mandatory parameter t which is the element to input into the stream.
Exceptions: This method throws IllegalStateException when the builder has already transitioned to the built state. It means that the stream has entered the built phase and now no it can’t be changed. Hence no more elements can be accepted into the stream.
Below are the examples to illustrate accept() method:
Stream successfully built 45.54 415.2541 12.21 778.0
Example 2: To illustrate IllegalStateException
Stream successfully built 45.54 415.2541 12.21 778.0 Exception thrown when now accepting element into the stream: java.lang.IllegalStateException