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NEW QUESTION 26
Given the code below:

What should a developer do to correct the code so that there is no chance of hitting a governor limit?

• A. Rework the code and eliminate the for loop.
• B. Add a WHERE clause to the first SELECT SOQL statement.
• C. Add a LIMIT clause to the first SELECT SOQL statement.
• D. combine the two SELECT statements into a single SOQL statement.

Answer: B

NEW QUESTION 27
A developer must create a ShippingCalculator class that cannot be instantiated and must include a working default implementation of a calculate method, that sub-classes can override. What is the correct implementation of the ShippingCalculator class?

• A. Public abstract class ShippingCalculator {
  public abstract calculate() { /*implementation*/ }
  }
• B. Public abstract class ShippingCalculator {
  public void calculate() { /*implementation*/ }
  }
• C. Public abstract class ShippingCalculator {
  public override calculate() { /*implementation*/ }
  }
• D. Public abstract class ShippingCalculator {
  public virtual void calculate() { /*implementation*/ }
  }

Answer: D

Explanation:
the extending class can override the existing virtual methods by using the override keyword in the method definition. Overriding a virtual method allows you to provide a different implementation for an existing method https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/apex_classes_extending.htm

NEW QUESTION 28
What should a developer do to check the code coverage of a class after running all tests?

• A. view the overall Code Coverage panel of the tab in the Developer Console.
• B. Select and run the class on the Apex Test Execution page
• C. View the Class test Coverage tab on the Apex Class record.
• D. View the Code Coverage column in the view on the Apex Classes page.

Answer: C

NEW QUESTION 29
A developer created a new trigger that inserts a Task when a new Lead is created. After deploying to production, an outside integration chat reads task records is periodically reporting errors.
Which change should the developer make to ensure the integration is not affected with minimal impact to business logic?

• A. Remove the Apex class from the integration user's profile.
• B. Deactivate the trigger before the integration runs.
• C. Use a try-catch block after the insert statement.
• D. Use the Database method with all or None set to false

Answer: A

NEW QUESTION 30
Assuming that 'name; is a String obtained by an <apex:inputText> tag on a Visualforce page. Which two SOQL queries performed are safe from SOQL injections? Choose 2 answers

• A. String query = '%' + name + '%'; List<Account> results = [SELECT Id FROM Account WHERE Name LIKE :query];
• B. String query = 'SELECT Id FROM Account WHERE Name LIKE \''%' + String.escapeSingleQuotes(name) + '%\''; List<Account> results = Database.query(query);
• C. String query = 'SELECT Id FROM Account WHERE Name LIKE \''%' + name.noQuotes() + '%\''; List<Account> results = Database.query(query);
• D. String query = 'SELECT Id FROM Account WHERE Name LIKE \''%' + name + '%\''; List<Account> results = Database.query(query);

Answer: A,B

NEW QUESTION 31
......