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&gt;&gt;Its different with interfaces?<br />
<br />
Yes. There's no limit for interfaces
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A class that does not explicitly extend a class implicitly extends Object.<br />
Does an interface that does not extend or implement another interface have an implicit parent?
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Java can't have multilple inheritance, but this case appears to contradict that.<br />
Its different with interfaces?<br />
<br />
<br />
<br />

<pre><code id="code-278946">public interface  i1a extends Serializable {} 
public interface  i1b extends Serializable {} 
public interface i2 extends i1a, i1b {} 
public interface i3extends i2 {}
</code></pre>
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Java can't have multilple inheritance, but this case appears to contradict that.
Its different with interfaces?




&gt;&gt;Its different with interfaces?

Yes. There&#39;s no limit for interfaces

A class that does not explicitly extend a class implicitly extends Object.
Does an interface that does not extend or implement another interface have an implicit parent?

multiple inheritance of interfaces

Java can&#39;t have multilple inheritance, but this case appears to contradict that.
Its different with interfaces?




Java is a platform-independent, object-oriented programming language and run-time environment, designed to have as few implementation dependencies as possible such that developers can write one set of code across all platforms using libraries. Most devices will not run Java natively, and require a run-time component to be installed in order to execute a Java program.