Vendor: Salesforce
Certifications: Salesforce Developer
Exam Code: DEX-450
Exam Name: Programmatic Development using Apex and Visualforce in Lightning
Updated: Jun 29, 2022
Q&As: 456
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Given:
Map
What are three valid Apex loop structures for iterating through items in the collection? (Choose three.)
A. for (ID accountID : accountMap.keySet()) {...}
B. for (Account accountRecord : accountMap.values()) {...}
C. for (Integer i=0; I < accountMap.size(); i++) {...}
D. for (ID accountID : accountMap) {...}
E. for (Account accountRecord : accountMap.keySet()) {...}
Requirements state that a child record be to deleted when its parent is deleted, and a child can be moved to a different parent when necessary. Which type of relationship should be built between the parent and child objects in Schema Builder to support these requirements?
A. Lookup Relathionship from to child to the parent
B. Child relationship
C. Master-Detail relationship
D. Lookup Relathionship from to parent to the child
A developer must create a CreditcardPayment class that provides an implementation of an existing Payment class. Public virtual class Payment { public virtual void makePayment(Decimal amount) { /*implementation*/ } }
Which is the correct implementation?
A. Public class CreditcardPayment extends Payment { public override void makePayment(Decimal amount) { /*implementation*/ } }
B. Public class CreditCardPayment implements Payment { public virtual void makePayment(Decimal amount) { /*implementation*/ } }
C. Public class CreditCardPayment extends Payment { public virtual void makePayment(Decimal amount) { /*implementation*/ } }
D. Public class CreditCardPayment implements Payment { public override void makePayment(Decimal amount) { /*Implementation*/ } }
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