In Java, there are many ways to read a file, here we show you how to use the simplest and most common-used method – BufferedReader.

package com.mkyong.io;
 
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
 
public class BufferedReaderExample {
 
	public static void main(String[] args) {
 
		BufferedReader br = null;
 
		try {
 
			String sCurrentLine;
 
			br = new BufferedReader(new FileReader("C:\\testing.txt"));
 
			while ((sCurrentLine = br.readLine()) != null) {
				System.out.println(sCurrentLine);
			}
 
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			try {
				if (br != null)br.close();
			} catch (IOException ex) {
				ex.printStackTrace();
			}
		}
 
	}
}

See updated example in JDK 7, which use try-with-resources new feature to close file automatically.

package com.mkyong.io;
 
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
 
public class BufferedReaderExample {
 
	public static void main(String[] args) {
 
		try (BufferedReader br = new BufferedReader(new FileReader("C:\\testing.txt")))
		{
 
			String sCurrentLine;
 
			while ((sCurrentLine = br.readLine()) != null) {
				System.out.println(sCurrentLine);
			}
 
		} catch (IOException e) {
			e.printStackTrace();
		} 
 
	}
}
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