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Chapter 24 The java.io Package |
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Chapter 24 The java.io Package |
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This class is a character input stream that keeps track of the number of lines of text that have been read from it. It supports the usual Reader methods, and also the readLine() method introduced by its superclass. In addition to these methods, you can call getLineNumber() to query the number of lines set so far. You can also call setLineNumber() to set the line number for the current line. Subsequent lines are numbered sequentially from this specified starting point.
This class is a character-stream analog to LineNumberInputStream, which has been deprecated in Java 1.1.
public class LineNumberReader extends BufferedReader {
// Public Constructors
public LineNumberReader(Reader in);
public LineNumberReader(Reader in, int sz);
// Public Instance Methods
public int getLineNumber();
public void mark(int readAheadLimit) throws IOException; // Overrides BufferedReader
public int read() throws IOException; // Overrides BufferedReader
public int read(char[] cbuf, int off, int len) throws IOException; // Overrides BufferedReader
public String readLine() throws IOException; // Overrides BufferedReader
public void reset() throws IOException; // Overrides BufferedReader
public void setLineNumber(int lineNumber);
public long skip(long n) throws IOException; // Overrides BufferedReader
}
Object->Reader->BufferedReader->LineNumberReader
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| java.io.LineNumberInputStream (JDK 1.0; Deprecated.) |  |
java.io.NotActiveException (JDK 1.1) |
