Java DataInputStream.readLong()方法示例
DataInputStream.readLong()
方法的语法如下所示。
public final long readLong() throws IOException
示例
在下面的代码显示如何使用DataInputStream.readLong()
方法。
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
public class Main {
public static void main(String[] args) throws IOException {
long[] l = { 1234567898765L, 12345678909876L };
FileOutputStream fos = new FileOutputStream("c:\\test.txt");
DataOutputStream dos = new DataOutputStream(fos);
for (long j : l) {
dos.writeLong(j);
}
dos.flush();// @ w w w .Y I iB a I .c o m
InputStream is = new FileInputStream("c:\\test.txt");
DataInputStream dis = new DataInputStream(is);
while (dis.available() > 0) {
long k = dis.readLong();
System.out.print(k);
}
}
}