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CS1322/p2/Duck.java

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+/**
+ *  <PRE>
+ *  Duck.java
+ *
+ *  Revisions: 1.0 Sep. 19, 2002
+ *               Created the Duck class
+ *			   1.1 Sep. 21, 2002
+ *				 Compiled, Finished, Commented
+ *
+ *  </PRE>
+ *
+ *	Collaboration Statement:
+ *    I worked on the homework assignment alone, using only             
+ *    course materials.
+ *  
+ *  Created with JCreatorLE, some indents are off when viewed through notepad
+ *    or EMACS
+ *
+ *  @author <A HREF="mailto:gtg184g@mail.gatech.edu">Jose Manuel Caban</A>
+ *  @version Version 1.1, Sep. 21, 2002
+ */
+  
+public class Duck extends Bird implements SwimmingType{
+  
+  /**
+   *depth of Duck
+   */
+  private int depth;
+  
+  /**
+   *whether or not the Duck is in flight
+   */
+  private boolean flying;
+  
+  ////////////////
+  //Constructors//
+  ////////////////
+  
+  /**
+   *Constructor for Duck
+   *@param name the name of the duck
+   */
+  public Duck(String name){
+  	super(name,"Duck",false);
+  	setDepth(0);
+  }
+  
+  ///////////////////////
+  //Accessors/Modifiers//
+  ///////////////////////
+  
+  /**
+   *Modifier for depth
+   *@param the new value for depth
+   */
+  public void setDepth(int depth){
+  	this.depth = depth;
+  	flying = false;
+  }
+  
+  /**
+   *Accessor for depth
+   *@return the value of depth
+   */
+  public int getDepth(){
+  	return depth;
+  }
+  
+  /**
+   *Accessor for flying
+   *@return value of flying
+   */
+  public boolean isFlying(){
+  	return flying;
+  }
+  
+  /**
+   *Set the altitude of the Duck and flying to true
+   *@param altitude the height of the duck
+   */
+  public void setAltitude(int altitude){
+  	super.setAltitude(altitude);
+  	flying = true;
+  }
+
+  ///////////
+  //Methods//
+  ///////////
+
+  /**
+   *Find the equality of Duck
+   *@param obj the Object to be compared to
+   *@return the equality value
+   */
+  public boolean equals(Object obj){
+  	if(!(obj instanceof Bird)){
+  		return false;
+  	}
+  	Duck dTemp = (Duck)obj;
+  	if(dTemp.getDepth() != this.getDepth()){
+  		return false;
+  	}
+  	if(dTemp.isFlying() != this.isFlying()){
+  		return false;
+  	}
+  	if(!(super.equals(obj))){
+  		return false;
+  	}
+  	return true;
+  }
+  
+  /**
+   * Change standard string to output to be used for this specific program
+   * @return phrase as string
+   */
+  public String toString(){
+  	if(isFlying()){
+  		return super.toString();
+  	}
+  	else{ //!isFlying()
+  		return ("A swimming duck named " + getName() + " at depth " +
+  				getDepth() + " that is " + (getIsHungry()?"":"not ") + 
+  				"hungry.");
+  		}
+  }
+  
+  /*****************************************************/
+  
+  /**
+   *  Debugging main for class Duck.  
+   *  This method will rigorously test my code.
+   *
+   *  <br><br>
+   *  @param args a String array of command line arguments.
+   */
+  public static void main(String[] args) {
+    Duck duck = new Duck("Daffy");
+    System.out.println(duck);
+    
+    duck.setAltitude(8);
+    duck.setIsHungry(true);
+    System.out.println(duck);
+    
+    System.out.println(duck.equals(duck));
+    System.out.println(duck.equals("bob"));
+        
+  }// end of main(String[] args)
+
+}// end of class Duck