If a variable, num, contains the value 5, the value of the expression --num is 4.
Answer the following statement true (T) or false (F)
True
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What method in what interface is used in a GUI application to detect that a user typed the letter'Y'?
What will be an ideal response?
Which of the following statements related to JPA is false?
a. The Java Persistence API (JPA) maps Java classes to relational database tables and objects of those classes to rows in the tables. This is known as ob-ject-relational mapping. b. You can use the NetBeans IDE’s object-relational mapping tools to select a database and autogenerate classes that use JPA to interact with that database. Your programs can then use those classes to query the database, insert new records, update existing records and delete records. c. Unlike JDBC, you will have to create mappings between your Java code and database tables, and you’ll be able to perform complex database manipulations directly in Java. d. JPA can be used with any database management system that supports JDBC.
This query is used to check the record set of an existing table:
A) Append query. B) Select query. C) Update query. D) Make Table query.
Find the area of the figure below. Remember to label your answer with the correct units.
(Round the answer upto 3 decimal places.)
A. 60.722 
B. 80.722 
C. 70.722 
D. 100.722 
E. 90.722 