interface A { public int getValue() } class B implements A { public int getValue() { return 1; } } class C extends B { // insert code here } Which three code fragments, inserted individually at line 15, make use of polymorphism?()A、 public void add(C c) { c.getValue(); }B、 public void add(B b) { b.getValue(); }C、 public void add(A a) { a.getValue(); }D、 public void add(A a, B b) { a.getValue(); }E、 public void add(C c1, C c2) { c1.getValue(); }
interface A { public int getValue() } class B implements A { public int getValue() { return 1; } } class C extends B { // insert code here } Which three code fragments, inserted individually at line 15, make use of polymorphism?()
- A、 public void add(C c) { c.getValue(); }
- B、 public void add(B b) { b.getValue(); }
- C、 public void add(A a) { a.getValue(); }
- D、 public void add(A a, B b) { a.getValue(); }
- E、 public void add(C c1, C c2) { c1.getValue(); }
相关考题:
-种核酸外切酶与pApGpUpCpApG -pU -起保温,其水解产物中不含有A.PA +pG +pUpCpApGpUB.PApG +pUpC +pApGpUC.2pA +2pG +2pU +pCD.PApGpUpCpA +pG +pUE.PApGpUpCpApG +pU
在交流电路中,三相负载消耗的总功率与各相负载消耗的功率之问的关系是().A.1/P一1/Pu+1/Pv4+1/PwB.P=Pu+Pv+PwC.P=Pu·Pv·PwD.P=(Pu+Pv+Pw)/
Which command shows if an access list is assigned to an interface?() A. show ip interface [interface] access-listsB. show ip access-lists interface [interface]C. show ip interface [interface]D. show ip access-lists [interface]
Whichcommandshowsif an accesslistisassignedtoaninterface?() A.show ip interface [interface] access-listsB.show ip access-lists interface [interface]C.show ip interface [interface]D.show ip access-lists [interface]
同一地基的临塑荷载Pcr、界限荷载P1/4、极限荷载Pu之间存在的大小关系为( )。 A、Pcr>p1/4>Pu B、Pu>p1/4>Pcr C、Pu>pcr>P1/4 D、P1/4>Pu>Pcr
以下有关功率控制参数的设置,()是正确的。A、L_RXLEV_DL_PU_RXLEV_DL_PB、L_RXLEV_DL_PU_RXLEV_DL_PC、L_RXQUAL_DL_PU_RXQUAL_DL_PD、L_RXQUAL_DL_PU_RXQUAL_DL_P
Which command allows you to view interface usage details in real-time?()A、user@host debug interface interface-nameB、user@host monitor usage interface-nameC、user@host monitor interface interface-nameD、user@host traceoptions interface interface-name
一种核酸外切酶与pApGpUpCpApG-pU一起保温,其水解产物中不含有()A、PA+pC+pUpCpApGpUB、PApG+pUpC+pApGpUC、2pA+2pG+2pU+pCD、PApGpUpCpA+pG+pUE、PApGpUpCpApG+pU
Which command shows if an access list is assigned to an interface?()A、show ip interface [interface] access-listsB、show ip access-lists interface [interface]C、show ip interface [interface]D、show ip access-lists [interface]
单选题Which command allows you to decode packets in JUNOS?()Adebug packet interface-nameBshow interface extensiveCtraceoptions interface-nameDmonitor traffic interface interface-name
单选题Which command allows you to view interface usage details in real-time?()Auser@host debug interface interface-nameBuser@host monitor usage interface-nameCuser@host monitor interface interface-nameDuser@host traceoptions interface interface-name
多选题以下有关功率控制参数的设置,()是正确的。AL_RXLEV_DL_PU_RXLEV_DL_PBL_RXLEV_DL_PU_RXLEV_DL_PCL_RXQUAL_DL_PU_RXQUAL_DL_PDL_RXQUAL_DL_PU_RXQUAL_DL_P