| ITSE 2317 OOP The Essence of OOP using Java, Local Classes Lesson # 1638 Run: Sat Aug 11 16:26:24 CDT 2012 Baldwin Slides aa - ITSE 2317 Java Programming (Intermediate) ab - Class can include several items ac - The Essence of OOP using Java, Local Classes ad - Figures ae - Listings af - What is a local class? ag - Defined in methods ah - Defined in initializers ai - Linked to object of enclosing class aj - Containing object ak - A true inner class al - What about a local interface? am - Why use local classes? an - Improved readability ao - The most important benefit ap - Access to all members aq - Eliminating constructor parameters ar - Protected members as - Can be particularly useful when ... at - From a theoretical viewpoint au - Anonymous classes av - An analogy aw - The scope of a local class ax - Access to final local variables ay - Similar to member classes az - What separates the two? ba - A big restriction bb - Copies of local variables bc - Copies are made bd - Restrictions on local classes be - All classes produce class files bf - According to Nutshell bg - A reference to the containing object bh - A hidden argument bi - A private reference bj - Accessing private members bk - Similar to your code bl - The good news bm - A sample program bn - Fragments bo - Five classes bp - The class files bq - Containment hierarchy and class file names br - Not so clear for local classes bs - Overall program structure and behavior bt - Instantiate two objects of class B bu - The showB method bv - Containment bw - Inheritance hierarchy bx - B extends Y by - No inheritance relationship bz - Inheritance is independent of containment ca - Inheritance relationship is possible cb - The controlling class cc - The baseTime static variable cd - The main method ce - Two objects of class B cf - The top-level class named X cg - A protected instance variable ch - Also available via containment hierarchy ci - The top-level class named Y cj - A protected instance variable ck - Overridden toString method cl - Beginning of the top-level class named A cm - A private instance variable cn - Accessed by object of local class co - Constructor displays the time cp - The screen output cq - The private showA method cr - Direct access to private showA method cs - The method named delay ct - The purpose of delay cu - Beginning of the method named meth cv - Two objects of local class B cw - Access to final local variables cx - Blank final variables cy - Set value of blank final variable cz - Relative execution time da - The screen output db - Beginning of the local class named B dc - Location is important dd - The bTime variable de - The constructor df - Back to the method named meth dg - Instantiate two objects of class B dh - The screen output di - Invoke showB on the first object dj - Back to showB in class B dk - Items that are displayed dl - The screen output dm - Invoke private method showA dn - Invoke showA do - The screen output dp - What is displayed? dq - Use of the keyword this dr - Access the containing object ds - The screen output dt - Illustrate the inheritance hierarchy du - Define overridden toString in class B dv - The screen output dw - Two objects of local class B dx - Invoke showB method on second object dy - The screen output dz - Important considerations ea - Summary eb - Complete Program Listing ec - The End |
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