Since bufReader isn't declared in the function, it seems to be a member (or static variable). After the first read, it should be valid (until EOF), so you can test it first: ? 1 2 if (bufReader == null) bufReader = new BufferedReader(new FileReader(this.getDataFileName()));,...
TheFiles.newBufferedReaderis a convenience method which opens a file for reading, returning aBufferedReaderthat may be used to read text from the file in an efficient manner. Bytes from the file are decoded into characters using the specified charset. com/zetcode/BufferedReaderEx2.java package co...
Using BufferedReader Reading is more efficient withBufferedReader.BufferedReaderreads text from a character-input stream, buffering characters so as to provide for the efficient reading of characters. Main.java import java.io.BufferedReader; import java.io.FileInputStream; import java.io.InputStreamRea...
2.2. Using BufferedReader TheBufferedReaderclass also provides methods, similar to theScannerclass, that can be used to read the line and check for any remaining content in the file. try(BufferedReaderreader=newBufferedReader(newFileReader("data.txt"))){ArrayList<String>list=newArrayList<>();whil...
Reading Lines without Line Separators using BufferedReader.readLine, Reading an Unended Line in Java: Tips and Tricks, Efficiently Reading a File Line by Line in Java while Ignoring Line Breaks
BufferedReader br = new BufferedReader(freader); String s; while((s = br.readLine()) != null) { System.out.println(s); } freader.close(); } } We can write same program using Java 7 syntax where we do not need to worry about closing of File and Stream resources. The output wil...
Because Scala works so well with Java, you can use the JavaFileReaderandBufferedReaderclasses, as well as other Java libraries, like the Apache Commons “FileUtils” library. this post is sponsored by my books: I hope it has been helpful. All the best, Al. ...
BufferedReader input =newBufferedReader(newFileReader(file));try{ String line =null;//not declared within while loop/* * readLine is a bit quirky : * it returns the content of a line MINUS the newline. * it returns null only for the END of the stream. * it returns an empty String ...
reader.close(); String[] allLines = lines.toArray(new String[lines.size()]); //allLines is the final collection of lines that constitute the content of the file. A BufferedReader class example is used above. This class provides a convenient readLine() method to read one line of content...
How to read a character from the Buffered Reader object. How Reading input from reader Java.io.Reader.read() Method Example How to Reading and Writing on Files Reading File in Java using FileInputStream Example Next → ← Prev ...