Abstract Pattern 1 use Identify Problem A Pattern 1 Problem B Phenomenon Person Quantity Measurement Adapt Use stability concepts Extend Develop T ypeOfResorce cod e descriptio n set() get() Resou rce cod e descriptio n qtyOfInstancesAva ilable set() get() listByT ype() getBookingsB yResource () P ayment dueDate paymentDate installmentNumber value situation comingInstallments() overduePayments(...