import java.io.*;
public class inputoutput{
public static void main(String[] args)
throws IOException{
DataInputStream in=new DataInputStream(
new BufferedInputStream(System.in));
double x=in.readDouble();
System.out.println(Double.toString(x));
}
}
public class inputoutput{
public static void main(String[] args)
throws IOException{
DataInputStream in=new DataInputStream(
new BufferedInputStream(System.in));
double x=in.readDouble();
System.out.println(Double.toString(x));
}
}
new java.io.BufferedReader(new java.io.InputStreamReader(System.in));
而pcmax的虽然能读,但读如后就不知怎么将其变成double型。
import java.io.*;
public class T1{
public static void main(String[] args)
throws IOException{
DataInputStream in=new DataInputStream(
new BufferedInputStream(System.in));
String x=in.readLine();
double x1=Double.parseDouble(x);
System.out.println(x1); }
}