Java BufferedReader.mark(int readAheadLimit)方法实例
BufferedReader
中的BufferedReader.mark(int readAheadLimit)
方法具有以下语法。
public void mark(int readAheadLimit) throws IOException
示例
在下面的代码中展示了如何使用BufferedReader.mark(int readAheadLimit)
方法。
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
public class Main {
public static void main(String[] args) throws Exception {
InputStream is = new FileInputStream("c:/test.txt");
InputStreamReader isr = new InputStreamReader(is);
BufferedReader br = new BufferedReader(isr);
System.out.println((char) br.read());
System.out.println((char) br.read());
br.mark(26);
System.out.println("mark() invoked");
System.out.println((char) br.read());
System.out.println((char) br.read());
br.reset();
System.out.println("reset() invoked");
System.out.println((char) br.read());
System.out.println((char) br.read());
}
}