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Tip of the Day
Language: Java
Expertise: Intermediate
Apr 23, 2001

Preparing a Log File With the Least File Operations

In a big project involving several classes, logging error messages can be required. There are several ways to do this, but a simple approach is to open the log file in append mode, add the messages to it and then close the file. However, writing to a file is a costly process and several threads trying to access the same file at the same time may create problem. This is one way of improving that particular logging method:
package abc;

import java.io.*;

public class Logger {

	private static String message ;

	public Logger() {
		message = 
Ravi Kant
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