consoletest.java

来自「程序练习中包括书中实例程序代码和练习中要用到的代码,是压缩文件」· Java 代码 · 共 41 行

package examples.basic;

/** A class to demonstrate how simple console I/O is used
  */
public class ConsoleTest {
   /** The test method for the class
     * @param args Not used
     * @exception java.io.IOException
     *            Unspecified I/O exception
     */
   public static void main( String[] args ) 
         throws java.io.IOException {
      int i = 10;
      int j = 20;
      double d = 99.101;

      System.out.print( "Here are some values: " );
      System.out.println( i + " " + j + " " + d );
      System.out.println( 
         "Enter an integer, a float, and a string:" );

      java.io.BufferedReader br;
      br = new java.io.BufferedReader( new 
         java.io.InputStreamReader( System.in ) );
      String line = br.readLine();

      java.util.StringTokenizer st = new 
         java.util.StringTokenizer( line );
      int k = Integer.parseInt( st.nextToken() );
      float f = Float.parseFloat( st.nextToken() );
      String s = st.nextToken();
      while( st.hasMoreTokens() ) {
         s += " " + st.nextToken();
      }

      System.out.println( "Here's your data: " );
      System.out.println( k );
      System.out.println( f );
      System.out.println( s );
   }
}