What is the fastest way I can read line by line with each line containing two Strings. An example input file would be:
Fastest, Way
To, Read
One, File
Line, By Line
.... can be a large file
There are always two sets of strings on each line that I need even if there are spaces between the String e.g. "By Line"
Currently I am using
FileReader a = new FileReader(file);
BufferedReader br = new BufferedReader(a);
String line;
line = br.readLine();
long b = System.currentTimeMillis();
while(line != null){
Is that efficient enough or is there a more efficient way using standard JAVA API (no outside libraries please) Any help is appreciated Thanks!
It depends what do you mean when you say "efficient." From the point of view of performance it is OK. If you are asking about the code style and size, I pesonally do almost you do with a small correction:
BufferedReader br = new BufferedReader(new FileReader(file));
String line;
while((line = br.readLine()) != null) {
// do something with line.
}
For reading from STDIN Java 6 offers you yet another way. Use class Console and its methods
readLine()
and
readLine(fmt, Object... args)