intermediate/FunList

001 packagepackage is used to name the directory or folder a class is in intermediate;
002 
003 importimport means to make the classes and/or packages available in this program wiki.Wiki;
004 
005 publicpublic is used to indicate unrestricted access (any other class can have access) classclass is a group of fields and methods used for making objects FunList
006 {open braces start code blocks and must be matched with a close brace
007   classclass is a group of fields and methods used for making objects Node
008   {open braces start code blocks and must be matched with a close brace
009     Object data;
010     Node next;
011   }close braces end code blocks and must match an earlier open brace
012 
013   privateprivate is used to restrict access to the current class only Node first;
014 
015   publicpublic is used to indicate unrestricted access (any other class can have access) voidvoid means the method does not return a value addFirst(Object object)
016   {open braces start code blocks and must be matched with a close brace
017     Node node=this assignment operator makes the left side equal to the right sidenewnew is used to create objects by calling the constructor Node();
018     node.data=this assignment operator makes the left side equal to the right sideobject;
019     node.next=this assignment operator makes the left side equal to the right sidefirst;
020     first=this assignment operator makes the left side equal to the right sidenode;
021   }close braces end code blocks and must match an earlier open brace
022 
023   publicpublic is used to indicate unrestricted access (any other class can have access) Object removeFirst()
024   {open braces start code blocks and must be matched with a close brace
025 
026     ifif executes the next statement only if the condition in parenthesis evaluates to true(first==this is the comparison operator which evaluates to true if both sides are the samenullnull is the value used to refer to a non-existant object)
027     {open braces start code blocks and must be matched with a close brace
028       returnreturn means to provide the result of the method and/or cease execution of the method immediately nullnull is the value used to refer to a non-existant object;
029     }close braces end code blocks and must match an earlier open brace
030     elseelse is what happens when the if condition is false
031     {open braces start code blocks and must be matched with a close brace
032       Object result=this assignment operator makes the left side equal to the right sidefirst.data;
033       first=this assignment operator makes the left side equal to the right sidefirst.next;
034       returnreturn means to provide the result of the method and/or cease execution of the method immediately result;
035     }close braces end code blocks and must match an earlier open brace
036   }close braces end code blocks and must match an earlier open brace
037 
038   publicpublic is used to indicate unrestricted access (any other class can have access) voidvoid means the method does not return a value addLast(Object object)
039   {open braces start code blocks and must be matched with a close brace
040     ifif executes the next statement only if the condition in parenthesis evaluates to true(first==this is the comparison operator which evaluates to true if both sides are the samenullnull is the value used to refer to a non-existant object)
041     {open braces start code blocks and must be matched with a close brace
042       addFirst(object);
043     }close braces end code blocks and must match an earlier open brace
044     elseelse is what happens when the if condition is false
045     {open braces start code blocks and must be matched with a close brace
046       Node current=this assignment operator makes the left side equal to the right sidefirst;
047       whilewhile is a looping structure for executing code repeatedly(current.next!=this is the not equals operator which evaluates to true if both sides are differentnullnull is the value used to refer to a non-existant object)
048       {open braces start code blocks and must be matched with a close brace
049         current=this assignment operator makes the left side equal to the right sidecurrent.next;
050       }close braces end code blocks and must match an earlier open brace
051       Node toAdd=this assignment operator makes the left side equal to the right sidenewnew is used to create objects by calling the constructor Node();
052       toAdd.data=this assignment operator makes the left side equal to the right sideobject;
053       toAdd.next=this assignment operator makes the left side equal to the right sidenullnull is the value used to refer to a non-existant object;
054       current.next=this assignment operator makes the left side equal to the right sidetoAdd;
055     }close braces end code blocks and must match an earlier open brace
056   }close braces end code blocks and must match an earlier open brace
057 
058   /**
059    * adds the object toAdd after the target.  In the
060    * event the target does not exist, adds to the end
061    * of the list. 
062    * @paramthis is the Javadoc tag for documenting the purpose of parameters target to object to look forfor is a looping structure for repeatedly executing a block of code
063    * @paramthis is the Javadoc tag for documenting the purpose of parameters toAdd the object to add after target
064    */
065   publicpublic is used to indicate unrestricted access (any other class can have access) voidvoid means the method does not return a value addAfter(Object target, Object toAdd)
066   {open braces start code blocks and must be matched with a close brace}close braces end code blocks and must match an earlier open brace
067 
068   /**
069    * adds the object toAdd before the target.  In the
070    * event the target does not exist, adds to the beginning
071    * of the list. 
072    * @paramthis is the Javadoc tag for documenting the purpose of parameters target to object to look forfor is a looping structure for repeatedly executing a block of code
073    * @paramthis is the Javadoc tag for documenting the purpose of parameters toAdd the object to add before target
074    */
075   publicpublic is used to indicate unrestricted access (any other class can have access) voidvoid means the method does not return a value addBefore(Object target, Object toAdd)
076   {open braces start code blocks and must be matched with a close brace}close braces end code blocks and must match an earlier open brace
077 
078   publicpublic is used to indicate unrestricted access (any other class can have access) Object removeLast(Object object)
079   {open braces start code blocks and must be matched with a close brace
080     ifif executes the next statement only if the condition in parenthesis evaluates to true(first==this is the comparison operator which evaluates to true if both sides are the samenullnull is the value used to refer to a non-existant object)
081     {open braces start code blocks and must be matched with a close brace
082       returnreturn means to provide the result of the method and/or cease execution of the method immediately nullnull is the value used to refer to a non-existant object;
083     }close braces end code blocks and must match an earlier open brace
084     elseelse is what happens when the if condition is false ifif executes the next statement only if the condition in parenthesis evaluates to true(first.next==this is the comparison operator which evaluates to true if both sides are the samenullnull is the value used to refer to a non-existant object)
085     {open braces start code blocks and must be matched with a close brace
086       returnreturn means to provide the result of the method and/or cease execution of the method immediately removeFirst();
087     }close braces end code blocks and must match an earlier open brace
088     elseelse is what happens when the if condition is false
089     {open braces start code blocks and must be matched with a close brace
090       Node current=this assignment operator makes the left side equal to the right sidefirst;
091       whilewhile is a looping structure for executing code repeatedly(current.next.next!=this is the not equals operator which evaluates to true if both sides are differentnullnull is the value used to refer to a non-existant object)
092       {open braces start code blocks and must be matched with a close brace
093         current=this assignment operator makes the left side equal to the right sidecurrent.next;
094       }close braces end code blocks and must match an earlier open brace
095       Object result=this assignment operator makes the left side equal to the right sidecurrent.next.data;
096       current.next=this assignment operator makes the left side equal to the right sidenullnull is the value used to refer to a non-existant object;
097       returnreturn means to provide the result of the method and/or cease execution of the method immediately result;
098     }close braces end code blocks and must match an earlier open brace
099   }close braces end code blocks and must match an earlier open brace
100 
101   publicpublic is used to indicate unrestricted access (any other class can have access) String toString()
102   {open braces start code blocks and must be matched with a close brace
103     String total=this assignment operator makes the left side equal to the right side"";
104     Node current=this assignment operator makes the left side equal to the right sidefirst;
105     whilewhile is a looping structure for executing code repeatedly(current!=this is the not equals operator which evaluates to true if both sides are differentnullnull is the value used to refer to a non-existant object)
106     {open braces start code blocks and must be matched with a close brace
107       total+=this increases the variable on the left by the value on the rightcurrent.data.toString()+adds two numbers together or concatenates Strings together"->";
108       current=this assignment operator makes the left side equal to the right sidecurrent.next;
109     }close braces end code blocks and must match an earlier open brace
110     returnreturn means to provide the result of the method and/or cease execution of the method immediately total;
111   }close braces end code blocks and must match an earlier open brace
112 
113   publicpublic is used to indicate unrestricted access (any other class can have access) staticstatic means that an instance is not required for access (class level access) voidvoid means the method does not return a value mainThe main method is the place where applications begin executing.(String[brackets are typically used to declare, initialize and index (indicate which element of) arrays]brackets are typically used to declare, initialize and index (indicate which element of) arrays args)
114   {open braces start code blocks and must be matched with a close brace
115     FunList list=this assignment operator makes the left side equal to the right sidenewnew is used to create objects by calling the constructor FunList();
116     list.addFirst("Hello");
117     list.addFirst("List");
118     //list.removeFirst();
119     //list.removeFirst();
120     //list.removeFirst();
121     Wiki.out.println(list);
122   }close braces end code blocks and must match an earlier open brace
123 }close braces end code blocks and must match an earlier open brace