Which two fragments can be combined into a statement that returns an ExecuteService instance?

Correct Answer for the Question – Which two fragments can be combined into a statement that returns an ExecuteService instance? is given below Which two fragments can be combined into a statement that returns an ExecuteService instance?The Executors.newSingleThreadExecutor() method creates an Executor that uses a single worker thread operating off an unbounded queue.Reference: java.util.concurrent.Executors Executors Executor … Read more

Which three objects must a vendor provide implementations in its JDBC driver?

Correct Answer for the Question – Which three objects must a vendor provide implementations in its JDBC driver? is given below Which three objects must a vendor provide implementations in its JDBC driver?E: When the method getConnection is called, the DriverManager will attempt to locate a suitable driver from amongst those loaded at initialization and those … Read more

Which three changes should you make to apply the singleton design pattern to this class?

Correct Answer for the Question – Which three changes should you make to apply the singleton design pattern to this class? is given below Given:public class TemperatureSensor {public TemperatureSensor () {}public double getCurrTemp () {// . . . method to retrieve temperature from a sensorReturn temp;}}Which three changes should you make to apply the singleton design … Read more

Which two fragments can be combined into a statement that returns an ExecuteService instance?

Correct Answer for the Question – Which two fragments can be combined into a statement that returns an ExecuteService instance? is given below Which two fragments can be combined into a statement that returns an ExecuteService instance?The Executors.newSingleThreadExecutor() method creates an Executor that uses a single worker thread operating off an unbounded queue.Reference: java.util.concurrent.Executors Executors Executor … Read more

Which three changes should you make to apply the singleton design pattern to this class?

Correct Answer for the Question – Which three changes should you make to apply the singleton design pattern to this class? is given below Given:public class TemperatureSensor {public TemperatureSensor () {}public double getCurrTemp () {// . . . method to retrieve temperature from a sensorReturn temp;}}Which three changes should you make to apply the singleton design … Read more