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import java.util.Scanner;
public class TestScannerDelimit {
public static void main(String[] s){
System.out.println("请输入表达式,例如:3+2,5*3");
Scanner scanner = new Scanner(System.in);
scanner.useDelimiter("[\\+\\-\\*\\/]");
while(scanner.hasNext()) {
System.out.println(scanner.next());
}
scanner.close();
}
}
import java.io.*;
public class Keyboard{
static BufferedReader inputStream = new BufferedReader
(new InputStreamReader(System.in));
public static int getInteger() {
try{
return (Integer.valueOf(inputStream.readLine().trim()).intValue());
}
catch (Exception e) { e.printStackTrace(); return 0; }
}
public static String getString() {
try{
return (inputStream.readLine());
}
catch (IOException e) { return "0";}
}
}