first commit

CS1322/t3/Test3.java

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+public class Test3{
+	
+	static LinkedList bob = new LinkedList();
+	
+	public boolean contains(String s, char c){
+		boolean truthitude = false;
+		
+		if(s.charAt(0) == c){
+			return true;
+		}
+		
+		if(s.length() > 1){
+			truthitude = contains(s.substring(1),c);
+		}
+		
+		return truthitude;
+	}
+	
+	public String sameWithout(String s, char c){
+		String string = s;
+		
+		if(s.length() > 1){
+			string = s.charAt(0) + sameWithout(s.substring(1),c);
+		}
+		
+		if(s.charAt(0) == c && s.length() == 1){
+			string = "";
+		}
+		
+		else if(s.charAt(0) == c){
+			string = s.substring(1);
+		}
+		
+		return string;
+			
+	}
+			
+	public boolean isAll(String s, char c){
+		boolean truth = true;
+		
+		if(s.length() > 1){
+			truth = isAll(s.substring(1),c);
+		}
+		
+		if(!truth){
+			return false;
+		}
+		
+		if(s.length() < 1){
+			return true;
+		}
+		
+		if(s.charAt(0) == c){
+			return true;
+		}
+		else{
+			return false;
+		}
+	}
+	
+	public String replaceOccurancesOf(String s, char from, char to){
+		String string = s;
+		
+		if(s == ""){
+			return "";
+		}
+		
+		if(s.length() > 1){
+			string = s.charAt(0) + replaceOccurancesOf(s.substring(1),from,to);
+		}
+		
+		if(s.charAt(0) == from){
+			string = to + string.substring(1);
+		}
+		return string;
+	}
+	
+	public int firstIndexOf(String s, char c){
+		int index = -1;
+		
+		if(s == ""){
+			return index;
+		}
+		
+		if(s.charAt(0) == c){
+			return 0;
+		}
+		
+		if(s.length() > 1){
+			index = firstIndexOf(s.substring(1),c);
+		}
+		if(index != -1){
+			index++;
+		}
+		return (index);
+	}
+	
+	public int countOccurancesOf(String s, char c){
+		int count = 0;
+		
+		if(s == ""){
+			return 0;
+		}
+		
+		if(s.length() > 1){
+			count += countOccurancesOf(s.substring(1),c);
+		}
+		
+		if(s.charAt(0) == c){
+			count++;		
+		}
+		return count;
+	}
+	
+
+				
+	
+	public static void main(String args[]){
+		Test3 test = new Test3();
+		
+		//test contains
+		System.out.println(test.contains("abc",'a'));
+		System.out.println(test.contains("ab c",'b'));
+		System.out.println(test.contains("a-bc",'c'));
+		
+		System.out.println(test.contains("abc",'d'));
+		
+		
+		//test sameWithout
+		System.out.println();
+		System.out.println(test.sameWithout("abc",'a'));
+		System.out.println(test.sameWithout("abc",'b'));
+		System.out.println(test.sameWithout("abc",'c'));
+		
+		//test isAll
+		System.out.println();
+		System.out.println(test.isAll("aaa",'b'));
+		System.out.println(test.isAll("aaa",'a'));
+		System.out.println(test.isAll("aba",'b'));
+		System.out.println(test.isAll("",'a'));
+		
+		//test replaceOcc
+		System.out.println();
+		System.out.println(test.replaceOccurancesOf("aabaabaa",'b','a'));
+		System.out.println(test.replaceOccurancesOf("bbbbbbbb",'b','a'));
+		System.out.println(test.replaceOccurancesOf("",'b','a'));
+		
+		//test firstIndexOf
+		System.out.println();
+		System.out.println(test.firstIndexOf("",'a'));
+		System.out.println(test.firstIndexOf("aaaaaa",'b'));
+		System.out.println(test.firstIndexOf("babababa",'a'));
+		System.out.println(test.firstIndexOf("babababa",'b'));
+		System.out.println(test.firstIndexOf("aaaaaaab",'b'));
+		System.out.println(test.firstIndexOf("aaaaaaba",'b'));
+		
+		//test counters
+		System.out.println();
+		System.out.println(test.countOccurancesOf("",'a'));
+		System.out.println(test.countOccurancesOf("aaa",'a'));
+		System.out.println(test.countOccurancesOf("aba",'b'));
+		
+		//which is valid
+		System.out.println();
+		//can go down but not up
+		//Dog d=new Animal();
+
+		Animal a=new Dog();
+	
+		Cat c=new Cat();
+
+		//Dog d=new Cat();
+
+		a=new Dog();
+	   	c=new Cat();
+  	   	a=c;
+		
+		System.out.print("Expect Yummy: \n Actually: ");
+		Dog d=new Dog();
+	   	d.eat();
+	   	
+	   	a=new Cat();
+	   ((Cat)a).nap();
+	   	
+	   	System.out.print("Expect I am Playing: \n Actually: ");
+	   	a=new Dog();
+	    ((Dog)a).play();
+	    /*	    
+	    a=new Dog();
+	    ((Cat)a).speak();
+	    */
+	    
+	    bob.addToFront(new Integer(5));
+	    bob.addToFront(new Integer(6));
+	    
+	    bob.addToFront(new Integer(7));
+	    
+	    bob.addToFront(new Integer(9));
+	    bob.addToFront(new String("bob"));
+	    
+	    System.out.println();
+	    d = new Dog("Fido");
+	    c = new Cat("Fluffy");
+	    a = new Animal();
+	    
+	    System.out.println(d);
+	    System.out.println(d.animalCount);
+	    
+	    System.out.println(c);
+	    System.out.println(c.animalCount);
+	    
+	    System.out.println(a);
+	    System.out.println(a.animalCount);
+	    
+	  	a=new Cat();
+			
+	}
+}