Java BufferedReader.read(char[] cbuf, int off, int len)方法範例
BufferedReader
中的BufferedReader.read(char[] cbuf, int off, int len)
方法具體的語法如下。
public int read(char[] cbuf, int off, int len) throws IOException
在下面的程式碼中展示了如何使用BufferedReader.read(char[] cbuf, int off, int len)
方法。
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
// ? www.tw511.com 2016-12-24 17:37:01 星期六
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);
char[] cbuf = new char[is.available()];
br.read(cbuf, 2, 10);
for (char c : cbuf) {
if (c == (char) 0) {
c = '*';
}
// prints characters
System.out.print(c);
}
}
}