domath.java

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

package examples.basic;
/** a class to demonstrate the Math class 
  * and working with primitive types */
public class DoMath {        
   public static void main( String[] args ) {
      double y = 5.678;
      double x = Math.sqrt( y );
      float a = -4.56F;
      float b = Math.abs( a );
      int r = 56;      
      float s = -67.5F;
      int t = (int) Math.max( r, s );
      System.out.println( x );
      System.out.println( b );
      System.out.println( t );
   }
}