grasp
. 1, instance [ 'ɪnst (ə) NS]
. N-instance; situation; recommendations
2, the instanceof
n-instance;. Operator
3, casting [' kɑːstɪŋ]
transformation
. 4, upcasting
. N-upward transition
. 5, downcasting
. N-downcast
safe downcasting security downcast; security downcasts;
. 6, a ClassCastException
type translation exception
expand
. 1, polymorphism [, pɒlɪ'mɔːfɪz (ə) m]
n-polymorphism;. Multiforme; polymorph
2, dependency [dɪ'pend (ə) nsɪ]
[count] dependency
3, association [[ə, soʃɪ'eʃən]]
[count] association
. 4, aggregation [, æɡrɪ'ɡeɪʃən]
[count] polymerization
. 5, composite [ 'kɒmpəzɪt]
[meter], combination
. 6, generalization [, dʒenrələ'zeɪʃən]
n-outlined;. universalization ; generalized
inheritance (generalization, also known as generalization, the relationship is-a)
