Class Casting Demo : Data Type Number « Language Basics « Java

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Java » Language Basics » Data Type NumberScreenshots 
Class Casting Demo
Class Casting Demo


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 * cup" logo are trademarks of Sun Microsystems. Sun's, and James Gosling's,
 * pioneering role in inventing and promulgating (and standardizing) the Java 
 * language and environment is gratefully acknowledged.
 
 * The pioneering role of Dennis Ritchie and Bjarne Stroustrup, of AT&T, for
 * inventing predecessor languages C and C++ is also gratefully acknowledged.
 */


/** Class Casting Demo. */
public class ClassCast {
  public static void main(String[] argv) {

    CCA anA = new CCA();
    CCB aB = new CCB(1);
    CCC aC = new CCC(2,3);

    System.out.println("A = " + anA);
    System.out.println("B = " + aB);
    System.out.println("C = " + aC);

    CCA aCast = aC;
    System.out.println("aCast = " + aCast);

    CCC anotherC = (CCCaCast;
    System.out.println("anotherC = " + anotherC);
  }
}

class CCA {
}

class CCB extends CCA {
  int one;
  CCB(int i) {
    one = i;
  }
  public String toString() {
    return "In a B object: " + one;
  }
}
class CCC extends CCB {
  int two;
  CCC(int i, int j) {
    super(i);  // does "one = i" for us.
    two = j;
  }
  public String toString() {
    return "In a C object: " + one + "," + two;
  }
}


           
       
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