ADT stands for
a. Algorithm Dependent Template
b. Algorithm Driven Template
c. Abstract Data Type
d. Automatic Data Type
e. None of these
c. Abstract Data Type
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Answer the following statements true (T) or false (F)
1. Loops are used when we need our program to make a choice between two or more things. 2. It is legal to declare more than one variable in a single statement. 3. Variable names may begin with a number. 4. The opposite of less than is greater than 5. Every line in a program should have a comment.
Repeat the previous programming project, but read the input data from a file and send the output to another file. If you have covered binary files, use binary files; otherwise, use text files. Read the file names from the user.
This Project is complicated by the absence of a program to read and write files with employee records, so one has to be created. Note that the employee class from Chapter 9 must be modified to implement Serializable and the resulting class is renamed EmployeeCh12.java. Also, note that the program gets records from a file and not the keyboard.
Which statement is false?
a. All built-in collections are synchronized. b. Concurrent access to a Collection by multiple threads could cause indeterminate results or fatal errors. c. To prevent potential threading problems, synchronization wrappers are used around collection classes that might be accessed by multiple threads. d. A synchronization wrapper class receives method calls, adds some functionality for thread safety and then delegates the calls to the wrapped class.
Which cpio utility mode extracts files from an archive?
A. copy-out B. copy-in C. copy-pass D. copy-through