Created
May 22, 2019 14:43
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Java Optional: bad alternative to .ifPresent()
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public void printMemberNameIfPresent(List<Member> members, int memberId) { | |
Optional<Member> maybeMember = members.stream() | |
.filter(member -> member.getId() == memberId) | |
.findFirst(); | |
if (maybeMember.isPresent()) { | |
printMemberFullName(maybeMember.get().getFullName()); | |
} | |
} | |
private static void printMemberFullName(String memberFullName) { | |
System.out.println(String.format("The member's full name is %s", memberFullName)); | |
} |
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