Java DataInputStream.readDouble()方法示例
DataInputStream.readDouble()
方法的语法如下所示。
public final double readDouble() throws IOException
示例
在下面的代码显示如何使用DataInputStream.readDouble()
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;
// By: w W W .Y i I B A I .c O M
public class Main {
public static void main(String[] args) throws IOException {
double[] dbuf = { 65.56, 66.89, 67.98, 68.82, 69.55, 70.37 };
FileOutputStream fos = new FileOutputStream("c:\\test.txt");
DataOutputStream dos = new DataOutputStream(fos);
for (double d : dbuf) {
dos.writeDouble(d);
}
dos.flush();
InputStream is = new FileInputStream("c:\\test.txt");
DataInputStream dis = new DataInputStream(is);
while (dis.available() > 0) {
double c = dis.readDouble();
System.out.print(c + " ");
}
}
}