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Nguyen Duc Thao
Apr 17th, 2022 12:45 p.m. 4 min read

Tất tần tật về Optional trong java, check Null đơn giản hơn bao giờ hết! P1

Optional Java check null null java
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Phát Nguyễn
Sep 11th, 2021 5:12 a.m. 3 min read

"Vaccine" ngừa NullPointerException trong Java

Optional NullPointerException Java
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gnutt
Aug 23rd, 2020 3:09 p.m. 4 min read

Optional Java 8

Optional Java NullPointerExceptions java 8
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Hung le Duc
Jan 7th, 2020 7:16 a.m. 8 min read

Giải thích về Optionals trong Swift: 5 điều bạn nên biết

Optional Xcode Swift iOS
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Tran Tien Duc
Dec 24th, 2016 1:47 a.m. 4 min read

Java 8 Optional: Nên sử dụng khi nào?

Editors' Choice java 8 Optional
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