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<TITLE>Getting the Superclass of a Class Object
(Java Developers Almanac Example)
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<h3>
e63.
Getting the Superclass of a Class Object</h3>
<pre>
Class cls = <font color="#0066ff"><i>java.lang.String.class</i></font>;
Class sup = cls.getSuperclass(); // java.lang.Object
cls = <font color="#0066ff"><i>java.lang.Object.class</i></font>;
sup = cls.getSuperclass(); // null
// The superclass of interfaces is always null
cls = <font color="#0066ff"><i>java.lang.Cloneable.class</i></font>;
sup = cls.getSuperclass(); // null
// The superclass of primitive types is always null
cls = <font color="#0066ff"><i>int.class</i></font>;
sup = cls.getSuperclass(); // null
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Related Examples
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e59. <a class="eglink" href="GetClass.html?l=rel">
Getting a Class Object
</a>
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e60. <a class="eglink" href="GetClassName.html?l=rel">
Getting the Name of a Class Object
</a>
<br>
e61. <a class="eglink" href="IsClass.html?l=rel">
Determining If a Class Object Represents a Class or Interface
</a>
<br>
e62. <a class="eglink" href="SuperClass.html?l=rel">
Getting the Superclass of an Object
</a>
<br>
e64. <a class="eglink" href="GetImplements2.html?l=rel">
Listing the Interfaces That a Class Implements
</a>
<br>
e65. <a class="eglink" href="GetImplements.html?l=rel">
Listing the Interfaces That an Interface Extends
</a>
<br>
e66. <a class="eglink" href="GetPkg.html?l=rel">
Getting the Package of a Class
</a>
<br>
e67. <a class="eglink" href="ClassOrigin.html?l=rel">
Determining from Where a Class Was Loaded
</a>
<br>
e68. <a class="eglink" href="LoadClass.html?l=rel">
Loading a Class That Is Not on the Classpath
</a>
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e69. <a class="eglink" href="ReloadClass.html?l=rel">
Dynamically Reloading a Modified Class
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See also:
<a class="eglink" href="/egs/java.lang/pkg.html?l=rel#Arrays">
Arrays
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<a class="eglink" href="/egs/java.lang/pkg.html?l=rel#Assertions">
Assertions
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<a class="eglink" href="/egs/java.lang/pkg.html?l=rel#Commands">
Commands
</a>
<a class="eglink" href="/egs/java.lang/pkg.html?l=rel#Numbers">
Numbers
</a>
<a class="eglink" href="/egs/java.lang/pkg.html?l=rel#Objects">
Objects
</a>
<a class="eglink" href="/egs/java.lang/pkg.html?l=rel#Strings">
Strings
</a>
<a class="eglink" href="/egs/java.lang/pkg.html?l=rel#System%20Properties">
System Properties
</a>
<a class="eglink" href="/egs/java.lang/pkg.html?l=rel#Threads">
Threads
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