OO birds eye view

OO - think in terms of objects

OO - think in terms of data and functions together in a single entity

OO - think in terms of reference, not value

OO - think in terms of encapsulation (self sufficiency)

OO - think in terms of

OO - think in terms of singleton -vs- transient

OO - think in terms of state of an object

OO - think in terms of security (accessors and modifyers) - getters / setters

Software Architecture (MVC)

think in terms of layers

think in terms of separation of concerns

think in terms of maintenance

think in terms of clarity

think in terms of sessions

Desing Patterns

think in terms of DAOs, Gateways, Beans

think in terms of anti pattern (3- 1) - not every entity needs its own service, gateway and DAO

a service should serve more than just a single DAO and Gateway.

think in terms of doctor - patient (a doctor has many patients)

think of singletons -vs- transients

singletons application wide, transients user wide

transients (have state)
singletons (no state)

*for the singletons (many users using a single instance) think in terms of varing
every variable in it. these are objects stored in application scope.

Frameworks

think in terms of maintenance

thinks of tradeoffs

think of consequences

think of payoff (work up front, payoff later)

think of overhead

think of consistency - predicatability