JavaSE8 base LineNumberReader Set/getlinenumber set and get current line number

Os:windows7 x64
Jdk:jdk-8u131-windows-x64
Ide:eclipse Oxygen Release (4.7.0)

Information:

Text file contents are read

　　

Code

Package Jizuiku0;import Java.io.fileinputstream;import Java.io.filenotfoundexception;import java.io.IOException; Import Java.io.inputstreamreader;import java.io.linenumberreader;/* * @version V17.09 */public class Lnrdemo {//I use t here Hrows, the purpose is to easily read the code//However in the project you still need to use try. The catch handles the exception accordingly public static void main (string[] args) throws IOException, FileNotFoundException {String pathName = "Hello . txt "; String mycharset = "UTF-8";//Because Hello.txt uses the UTF-8 character set LineNumberReader LNR = new LineNumberReader (New InputStreamReader ( New FileInputStream (PathName), mycharset)); String line = null;while (lines = Lnr.readline ()) = null) {//Getlinenumber can get a good row number if (lnr.getlinenumber () = = 3) {//IF The line number is 3, then the line number that was originally 3 is changed to 10lnr.setlinenumber (10);} System.out.println (Lnr.getlinenumber () + ":" + Line);} Lnr.close ();}}

Result

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JavaSE8 base LineNumberReader Set/getlinenumber set and get current line number