What is a wrapper and why would you use it?
What will be an ideal response?
?A wrapper is a class or object that is "wrapped around" a simpler element; the Integer wrapper class contains a simple integer and useful methods to manipulate it.
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The __________ package is automatically imported into all Java programs.
a. java.java b. java.default c. java.util d. java.lang
Suppose Circle and Rectangle classes are derived from GeometricObject and you declared
``` void displayGeometricObject(GeometricObject shape) { cout << shape.toString() << endl; } ``` Which of the following function call is correct? A. displayGeometricObject(Rectangle(2, 3)); B. displayGeometricObject(GeometricObject("black", true)); C. displayGeometricObject(string()); D. displayGeometricObject(Circle(5));
When working with Access in ____ Mode, the user may tap the buttons on the Ribbon and also tap to use other features of Access 2016.
A. Write B. Touch C. Tap D. Tablet
Answer the following statements true (T) or false (F)
1) A bind variable is declared with VARIABLE command command at the SQL> prompt. 2) A bind variable is declared with VARIABLE command command at the SQL> prompt. 3) A substitution variable is declared under DECLARE section of a PL/SQL block. 4) A bind variable is used in a PL/SQL block with a colon (:) prefix. 5) A local variable used in a PL/SQL block can be printed with PRINT command.