simpleread.java

一些关于javaString的小实例

//: strings/SimpleRead.java
import java.io.*;

public class SimpleRead {
  public static BufferedReader input = new BufferedReader(
    new StringReader("Sir Robin of Camelot\n22 1.61803"));
  public static void main(String[] args) {
    try {
      System.out.println("What is your name?");
      String name = input.readLine();
      System.out.println(name);
      System.out.println(
        "How old are you? What is your favorite double?");
      System.out.println("(input: <age> <double>)");
      String numbers = input.readLine();
      System.out.println(numbers);
      String[] numArray = numbers.split(" ");
      int age = Integer.parseInt(numArray[0]);
      double favorite = Double.parseDouble(numArray[1]);
      System.out.format("Hi %s.\n", name);
      System.out.format("In 5 years you will be %d.\n",
        age + 5);
      System.out.format("My favorite double is %f.",
        favorite / 2);
    } catch(IOException e) {
      System.err.println("I/O exception");
    }
  }
} /* Output:
What is your name?
Sir Robin of Camelot
How old are you? What is your favorite double?
(input: <age> <double>)
22 1.61803
Hi Sir Robin of Camelot.
In 5 years you will be 27.
My favorite double is 0.809015.
*///:~