import java.io.*;
/**CharTest類是一個(gè)字符流處理的例子，這個(gè)例子首先通過InputStreamWriter將一個(gè)字符串寫入當(dāng)前路徑下的test.txt文件中，然后通過OutputStreamReader讀取test.txt中的內(nèi)容并輸出*/
public class CharTest{
	public static void main(String args[]) throws FileNotFoundException,IOException{
		String lineStr;
		File fileObj;
		FileInputStream fileInStream;
		InputStreamReader inputReader;
		BufferedReader bufReader;
		FileOutputStream fileOutStream;
		OutputStreamWriter outputWriter;
		BufferedWriter bufWriter;
		String newStr = new String("Today is Saturday.\r\nIt's sunny.\r\nWe can go out.");
		/*下面的try代碼塊將newStr字符串通過InputStreamWriter寫入test.txt文件中*/
		try
		{
			fileObj = new File("test.txt");
			if(fileObj.exists() == false)
			{
				fileObj.createNewFile();
			}
			fileOutStream = new FileOutputStream(fileObj);
			outputWriter  = new OutputStreamWriter(fileOutStream);
			bufWriter     = new BufferedWriter(outputWriter); 
			bufWriter.write(newStr,0,newStr.length());
			bufWriter.close();
			outputWriter.close();
			fileOutStream.close();
		}catch(IOException e){
			System.out.println(e);
		}
		/*接下來的代碼塊讀取test.txt中的內(nèi)容并輸出*/
		fileInStream = new FileInputStream("test.txt");
		inputReader = new InputStreamReader(fileInStream);
		bufReader    = new BufferedReader(inputReader);
		System.out.println("Content of test.txt:");
		while((lineStr = bufReader.readLine())!=null)
			System.out.println(lineStr);
		bufReader.close();
		inputReader.close();
		fileInStream.close();		
	}
}