PPT Slide

Vectors

Vectors and casting:

• Vectors are a subclass of class Object.

• Thus, vectors can handle any class of object (i.e., no type checking)

• Thus, must cast any object obtained from a Vector before invoking any methods not defined in class Object.

Vector v = new Vector ( );

Student s = new Student( “Joe” );

Student otherStudent;

v.addElement( s );

otherStudent = (Student) v.elementAt(0);

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