What allows the programmer to destroy an object x?()  A、 x.delete()B、 x.finalize()C、 Runtime.getRuntime().gc()D、 Explicitly setting the object’s reference to null.E、 Ensuring there are no references to the object.F、 Only the garbage collection system can destroy an object.

What allows the programmer to destroy an object x?()  

  • A、 x.delete()
  • B、 x.finalize()
  • C、 Runtime.getRuntime().gc()
  • D、 Explicitly setting the object’s reference to null.
  • E、 Ensuring there are no references to the object.
  • F、 Only the garbage collection system can destroy an object.

相关考题:

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单选题What type of Call Admission control in CallManager allows for limits to the bandwidth consumed by active calls?()A regionsB partitionsC locationsD device Pools

单选题What is true about the WITH GRANT OPTION clause?()AIt allows a grantee DBA privileges.BIt is required syntax for object privileges.CIt allows privileges on specified columns of tables.DIt is used to grant an object privilege on a foreign key column.EIt allows the grantee to grant object privileges to other users and roles.

单选题What is the maximum number of hops OSPF allows before it deems a network unreachable?()A15B16C99D255EUnlimited

单选题What()to him is whether the job of a deck officer allows him to pursue his studies.AmattersBhappensCrefersDapplies

单选题What feature of a networks switch allows an administrative to create separate broadcast domains?()AStore-and-forward switchingBMicrosegmentationCTransparent bridgingDFragment-free switchingEVirtual LANsFCut-through switching

单选题What type of Call Admission control in CallManager allows for limits to the bandwidth consumed by active calls?()AregionsBpartitionsClocationsDdevice Pools

单选题What is the function of L2TP?()AIt allows L2F tunnels across the network.BIt allows GRE tunnels across the network.CIt allows PPTP tunnels across the network.DIt allows PPP to be tunneled across a network

单选题What allows for a higher level of systems management capability that reduces the risk of changeas well as management and administrative costs?()A policy controlB active participationC systems-level approachD application and service optimization

单选题What is the effect of using Capacity on Demand on LPARs configured on a managed system?()AIt allows dynamic increase of CPU and memory allocation for all LPARs.BIt allows dynamic increase of CPU and memory allocation for LPARs when the 'Desired' and 'Maximum' partition profile values are equal.CIt allows dynamic increase of CPU and memory allocation for LPARs when the 'Desired' partition profile values are less than the 'Maximum' values.DIt allows dynamic increase of CPU and memory allocation for LPARs when the 'Desired' partition profile values are greater than the 'Maximum' values.

多选题What are two benefits of using VTP in a switching environment?()AIt allows switches to read frame tags.BIt allows ports to be assigned to VLANs automatically.CIt maintains VLAN consistency across a switched network.DIt allows frames from multiple VLANs to use a single interface.EIt allows VLAN information to be automatically propagated throughout the switching environment.

单选题In a bridged 1483 network, what configuration command allows the ERX Edge Router to advertise customer networks into the provider’s IGP? ()Aredistribute directBredistribute staticCredistribute connectedDredistribute access-internal