月份: 2019 年 5 月

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Java polymorphism and its types

30 5 月, 2019 InfoWorld Java 101: Learn Java 0

Polymorphism refers to the ability of some entities to occur in different forms. It is popularly represented by the butterfly, which morphs from larva to pupa to imago. Polymorphism also exists in programming languages, as a modeling technique that …

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Java polymorphism and its types

30 5 月, 2019 Jeff Friesen 0

Polymorphism refers to the ability of some entities to occur in different forms. It is popularly represented by the butterfly, which morphs from larva to pupa to imago. Polymorphism also exists in programming languages, as a modeling technique that …

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Java polymorphism and its types

30 5 月, 2019 Jeff Friesen 0

Polymorphism refers to the ability of some entities to occur in different forms. It is popularly represented by the butterfly, which morphs from larva to pupa to imago. Polymorphism also exists in programming languages, as a modeling technique that …

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When to use composition vs inheritance

16 5 月, 2019 InfoWorld Java Tips 0

In Java 101: Inheritance in Java, Part 1, you learned how to leverage inheritance for code reuse, by establishing is-a relationships between classes. Composition is a closely related programming technique that is used to establish has-a relationships i…

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When to use composition vs inheritance

16 5 月, 2019 Jeff Friesen 0

In Java 101: Inheritance in Java, Part 1, you learned how to leverage inheritance for code reuse, by establishing is-a relationships between classes. Composition is a closely related programming technique that is used to establish has-a relationships i…

No Image

When to use composition vs inheritance

16 5 月, 2019 Jeff Friesen 0

In Java 101: Inheritance in Java, Part 1, you learned how to leverage inheritance for code reuse, by establishing is-a relationships between classes. Composition is a closely related programming technique that is used to establish has-a relationships i…

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Google: Use Kotlin for new Android apps

9 5 月, 2019 Paul Krill 0

Google is doubling down on its support of the Kotlin language for Android mobile development, with the recommendation that all new Android projects be developed in Kotlin, the JVM-based alternative to Java. But while Android development will become …

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What’s new in Google’s Android Studio 3.5 beta

9 5 月, 2019 Paul Krill 0

Google has released a beta version of Android Studio 3.5, the next release of its IDE for Android mobile development. The new version features improvements to memory management and UI responsiveness.To read this article in full, please click here(Insid…

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Inheritance in Java, Part 2: Object and its methods

7 5 月, 2019 Jeff Friesen 0

Java provides a standard class library consisting of thousands of classes and other reference types. Despite the disparity in their capabilities, these types form one massive inheritance hierarchy by directly or indirectly extending the Object class…