An interface may only extend a class or another interface Ionic-4 compile failed · Issue #373 · zyra/ionic-super-tabs · GitHub
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Interfaces Describe what classes should do, without specifying how they should do it Not a class, but a set of requirements for classes that want to conform. - ppt download
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uml - Can a class extend an abstract class and implement an interface at the same time? (java) - Stack Overflow
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How one Interface can extend another Interface? | Interface extends Interface | Java Tutorial - YouTube
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