Java Reflection - Java Class.isAssignableFrom(Class <?> cls)

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Syntax

Class.isAssignableFrom(Class <?> cls) has the following syntax.

public boolean isAssignableFrom(Class <?> cls)

Example

In the following code shows how to use Class.isAssignableFrom(Class <?> cls) method.

//from w  w w  . j  ava2s  .  c o m
public class Main {

  public static void main(String[] args) throws Exception {
    Main cls = new Main();
    Class c = cls.getClass();

    Class bClass = BaseClass.class;

    boolean retval = bClass.isAssignableFrom(c);
    System.out.println("Return Value = " + retval);

    retval = c.isAssignableFrom(bClass);
    System.out.println("Return Value  = " + retval);
  }
}

class BaseClass extends Main {

  public BaseClass() {
  }
}

The code above generates the following result.

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