5.explain the difference between:a.abstract class and interfaceb.class and object6.What is a package in Java?How we can create a package in Java? Howare packages used? Give an example of one of the standard packages that are part of Java.7.a. Define variable. Write down the syntax ...
An interface is a way of describing what classes should do, without specifying how they should do it. A class can implement more than one interface. In Java, an interface is not a class but a set of requirements for the class that we want to conform to t
an interface or a convention needs to be defined, and then different scenarios can be implemented. The caller does not need to pay too much attention to specific implementation details when using it. In Java, SPI
Fields inherited from interface java.awt.image.ImageObserver ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTHConstructor Summary ExplainPlanPanel()Method Summary void showExplainPlan(java.sql.Connection conn, java.lang.String sql) Deprecated. void showExplainPlan(Database db...
Explain overloading a method in java. In java, under what circumstances should an interface be used instead of an abstract class? What is the concept of reusability, and how do you design for reusability? Provide an example. (a) Explain the pigeonhole principle. (b) Give an example that ...
The SQL*Monitoring functionality – either within Oracle Enterprise Manager or using the PL/SQL interface - will always display the A-Rows column information without any overhead for the SQL statement, as shown in Figure 12. Note that SQL*Monitoring is part of the 'Tuning and Diagnostics Pack...
The compiler will perform an implicit downcast here since ArrayList implements the List interface. Prior to Java 1.5, all Collections could only store objects as Object references. (Generics has changed this, but that's another issue and beyond the scope of this discussion.) In such a situation...
Accessing Dictionary object collection in a listbox accessing files from folders inside the .NET solution Accessing Java Key Store using .NET Accessing Outlook Calendar in C# Application Accessing PowerShell Variable in C# code Accessing rows/columns in MultiDimensional Arrays Accessing the first object...
Instantiate a new explain step for the given filter and add it to this result's list of steps. Uses of QueryRecord.PartialResult.ExplainStep in com.tangosol.util.filter Methods in com.tangosol.util.filter with parameters of type QueryRecord.PartialResult.ExplainSte...
I'm trying to perform the steps for submitting the app to the app store. App works in debug (in simulator) and release mode (on device) sucessfully. Steps to Reproduce The typical instructions are (in XCode) to choose Runner > Generic iO...