debug5_2.java

来自「北京大学出版社的」· Java 代码 · 共 16 行

package questions.c5;
class A {
   double baseValue = 3.14;
   public void setBaseValue( double d ) {
      baseValue = d;
   }
   public double calculate( double x, double y ) {
      return x * y / baseValue;
   }
}
public class Debug5_2 extends A {
   private static final float ALT_BASE = 2.5F;
   float calculate( float x, float y ) {
      return x * y / ALT_BASE;
   }
}