Click here to watch in Youtube :
https://www.youtube.com/watch?v=sJS-ZuphOaI&list=UUhwKlOVR041tngjerWxVccw
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Java Tutorial : Java IO (Java PushbackReader) |
Java Tutorial : Java IO (Java PushbackReader) |
Java Tutorial : Java IO (Java PushbackReader) |
Hello worldPushbackReaderDemo.java
import java.io.FileReader; import java.io.IOException; import java.io.PushbackReader; public class PushbackReaderDemo { public static void main(String[] args) throws IOException { FileReader fileReader = null; PushbackReader pushbackReader = null; try { fileReader = new FileReader("myfile.txt"); pushbackReader = new PushbackReader(fileReader); int data = pushbackReader.read(); System.out.println((char) data); /* * Pushes back a single character by copying it * to the front of the pushback buffer. After * this method returns, the next character to be * read will have the value (char)c. */ pushbackReader.unread(data); /* * Reads a single character. */ data = pushbackReader.read(); System.out.println((char) data); } finally { if (pushbackReader != null) { /* * Closing a PushbackReader will also close * the Reader instance from which the * PushbackReader is reading. */ pushbackReader.close(); } } } }Output
H HRefer:
https://docs.oracle.com/javase/8/docs/api/index.html?java/io/PushbackReader.html
https://sites.google.com/site/ramj2eev1/home/javabasics/JavaIODemo_PushbackReader_App.zip?attredirects=0&d=1
Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/JavaIODemo_PushbackReader_App
Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/afab0ff1466aae3a6d02c0935e804f2f099cf483/BasicJava/JavaIODemo_PushbackReader_App/?at=master
See also:
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