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1 »ù±¾·½·¨
 import java.io.*;
public class input1
{
public static void main(String[] args) throws IOException
{
InputStreamReader reader = new InputStreamReader(System.in);
BufferedReader buf = new BufferedReader(reader);
/* »òÕß
BufferedReader buf;
buf = new BufferedReader(new InputStreamReader(System.in));
*/
String str;
System.out.print("ÇëÊäÈë×Ö·û´®£º");
str = buf.readLine();
System.out.println("ÄãÊäÈëµÄ×Ö·û´®ÊÇ£º"+str);
}
}
2 ÀûÓÃScannerÀà
import java.util.*;
public class input2
{
public static void main(String[] args)
{
int i1;
double d2;
String s1, s2;
Scanner scanner = new Scanner(System.in);

System.out.print("ÇëÊäÈëµÚÒ»¸öÊý£º");
i1 = scanner.nextInt();
System.out.print("ÇëÊäÈëµÚ¶þ¸öÊý£º");
d2 = scanner.nextDouble();
System.out.println(i1 + "*" + d2 + "=" + (i1 * d2));

System.out.print("ÇëÊäÈëµÚÈý¸öÊý£º");
s1 = scanner.next();
System.out.print("ÇëÊäÈëµÚËĸöÊý£º");
s2 = scanner.next();
System.out.println("ÊäÈëµÄÊÇ" + s1 + "ºÍ" + s2);
}
}