debug4_5.java

北京大学出版社的

package questions.c4;
public class Debug4_5 {
   private double x;
   private double y;
   public Debug4_5( double d1, double d2 ) {
      X = d1;
      y = d2;
   }
   public Debug4_5( double d1 ) {
      this( d1, 0.0D );
   }
   public Debug4_5() {}
   public ~Debug4_5() {} 
   public static void displayValues() {
      System.out.println( "Value x = " + x );
      System.out.println( "Value y = " + y );
   }
   public static void main( String[] args ) {
      Debug4_5 a = new Debug4_5( 5.6, 9.345 );
      a.displayValues();
   }
}