number of lines in file java
// Get lines in a file
public int linesInFile(String path) {
try {
return (int) Files.lines(Paths.get(path)).count(); // Get lines and convert to integer
} catch(IOException e) {
e.printStackTrace(); // Print error if file does not exist.
}
return -1; // Return -1, if file does not exist.
}reading in lines from a file java
private ArrayList<String> readFileLines(String filepath) throws FileNotFoundException, IOException{
File fp = new File(filepath);
FileReader fr = new FileReader(fp);
BufferedReader br = new BufferedReader(fr);
ArrayList<String> lines = new ArrayList<>();
String line;
while((line = br.readLine()) != null) { lines.add(line); }
fr.close();
return lines;
}Copyright © 2021 Codeinu
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