Programming Lecture B
Card Set Information
Programming Lecture B
RAM (Random Access Memory)
temporary volatile storage
A computer file is a collection of _______ stored on a _________ device.
Two types of computer files:
File sizes are measured in:
bytes, kilobytes, megabytes...etc.
4 characteristics of files include:
Times of Creation and Last Modification
Some form of delimiters which separate entries
Directories and folders are __________ formats for _________ devices.
The \\ (double slash) is needed for _________
A combination of the disk drive letter and the complete hierarchy of directories is the _________.
Data hierarchy, in order is:
Declaring a file reserves space for the file fields, tells the Java ______ what kind of file to expect, tells the the compiler where to find the ______ , and imports any special _______ of __________.
A ______ is a group of related classes.
Reading and writing in Java utilizes the _____________ package.
BufferedReader and BufferedWriter are _______ in java.io that ________ (add function to) the basic FileReader objects.
BufferedReader makes reading and writing more efficient by using ______ of records for each read/write cycle.
The "try-catch" in java is an ______ ______.
import java.io.*; imports ALL _______ _____ ______.
___________ files are records stored one after another in some order.
_______ _______ are temporary detours in the logic of a program.
With two input files, must determine when both files are at _______.
eof (end of file)
A _________ file hold relatively permanent data.
A ________ file contains temporary data to be used to update the master file
Using a data file, we as programmers do these 5 things to a file:
Random access files are indexed by a ______
VTOC (volume table of contents)
Merging sequential files involves ________ and ________ files.
An _________ program is one in which the user makes direct requests.
_______ processing involves performing the same tasks with many records, one after another.
______-_______ applications require that a record be accessed immediately while a client is waiting - faster processing required.
Files that can be located in any order are known as _______ ______ files.
A ________ access file doesn't have to read other non-important records to find it.