java 8 stream option
things.stream()
.map(this::resolve)
.filter(Optional::isPresent)
.map(Optional::get)
.findFirst();java 8 stream option
things.stream()
.map(this::resolve)
.filter(Optional::isPresent)
.map(Optional::get)
.findFirst();java optional to collection
public static <T> List<T> toList(Optional<T> opt) {
return opt
.map(Collections::singletonList)
.orElseGet(Collections::emptyList);
}java 8 stream option
things.stream()
.map(this::resolve)
.filter(Optional::isPresent)
.map(Optional::get)
.findFirst();java optional to collection
public static <T> List<T> toList(Optional<T> opt) {
return opt
.map(Collections::singletonList)
.orElseGet(Collections::emptyList);
}Copyright © 2021 Codeinu
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