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How to use NSTimeInterval

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NSTimeInterval is a data type in Objective-C used to represent time intervals. By using NSTimeInterval, we can easily handle operations such as time intervals, calculating time differences, creating timers, and delaying task execution.

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time：2023-09-12 10:58:12

When to use @ConstructorProperties annotation when using Jackson in Java? The @ConstructorProperties annotation comes from the java.bean package and is used to deserialize JSON into java objects through an annotated constructor. This annotation is supported starting from Jackson 2.7. The way this annotation works is very simple, instead of annotating each parameter in the constructor, we can provide an array containing the property names for each constructor parameter. Syntax@Documented@Target(value=CONSTRUCTOR)@Retention(value=RUNTIME)public@interfaceConstructorPropertiesExample impo

java jackson @constructorproperties

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