字符输入流小例子（整体数组读取）

package chap10.sec04;


import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.Reader;


public class Demo1 {


public static void main(String[] args) throws Exception {
// TODO Auto-generated method stub
File file =new File("D:/测试文件.txt");
Reader reader=new FileReader(file);
char c[]=new char[1024];
int length=reader.read(c);
reader.close();
System.out.println("读取的内容是："+new String(c,0,length));

}


}