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  1. //SLL.class
  2.  
  3. //package sll_testeing;
  4.  
  5. public class SLL<E> {
  6.  
  7.     private SLLNode<E> first;
  8.  
  9.     // SLLNode<E>(momentalen_element, sleden_element_na_momentalniot)
  10.     public SLL() {
  11.         this.first = null;
  12.     }
  13.  
  14.     public SLL(SLLNode<E> first) {
  15.         this.first = first;
  16.     }
  17.  
  18.     public SLLNode<E> getFirst() {
  19.         return this.first;
  20.     }
  21.  
  22.     public void insertFirst(E o) {
  23.         SLLNode<E> ins = new SLLNode<E>(o, first);
  24.         first = ins;
  25.     }
  26.  
  27.     public void insertLast(E o) {
  28.         if (first != null) {
  29.             // Prviot clen od listata go dava na tmp
  30.             SLLNode<E> tmp = first;
  31.             // Ja izminuva listata i koga ke dojde do null
  32.             // ciklusot pagja i tmp e ima poslednata vrednost
  33.             while (tmp.succ != null) {
  34.                 tmp = tmp.succ;
  35.             }
  36.             // Kreira nov link/jazol so noviot link i za sleden
  37.             // go stava null zatoa sto go stava na kraj od listata
  38.             SLLNode<E> ins = new SLLNode<E>(o, null);
  39.             //sledniot na tmp t.e krajot go stava novokreiraniot el
  40.             tmp.succ = ins;
  41.         } else { // ako listata e prazna
  42.             insertFirst(o); // go stava na pocetokot
  43.         }
  44.     }
  45.  
  46.     public void insertAfter(E o, SLLNode<E> node) {
  47.         if (node != null) {
  48.             SLLNode<E> ins = new SLLNode<E>(o, node.succ);
  49.             node.succ = ins;
  50.         }
  51.     }
  52.  
  53.     public void insertBefore(E o, SLLNode<E> before) {
  54.  
  55.         if (first != null) {
  56.             SLLNode<E> tmp = first;
  57.             if (first == before) {
  58.                 this.insertFirst(o);
  59.                 return;
  60.             }
  61.             while (tmp.succ != before) {
  62.                 tmp = tmp.succ;
  63.             }
  64.  
  65.             if (tmp.succ == before) {
  66.                 SLLNode<E> ins = new SLLNode<E>(o, before);
  67.                 tmp.succ = ins;
  68.             } else {
  69.                 System.out.println("Ne moze da se otpecati\n");
  70.             }
  71.         } else {
  72.             System.out.println("Listata e prazna!");
  73.         }
  74.     }
  75.  
  76.     public void deleteFirst() {
  77.  
  78.         if (first != null) {
  79.             first = first.succ;
  80.         } else {
  81.             System.out.println("Listata e prazna!");
  82.         }
  83.     }
  84.  
  85.     public void delete(E node) {
  86.         if (first != null) {
  87.             SLLNode<E> tmp = first;
  88.  
  89.             if (first == node) {
  90.                 first = null;
  91.             }
  92.  
  93.             while (tmp.succ != node && tmp.succ.succ != null) {
  94.                 tmp.succ = tmp.succ.succ;
  95.             }
  96.  
  97.             if (tmp.succ == node) {
  98.                 tmp.succ = tmp.succ.succ;
  99.             }
  100.         } else {
  101.             System.out.println("Listata e prazna!");
  102.         }
  103.     }
  104.  
  105.     public int length() {
  106.         int counter = 0;
  107.         if (first != null) {
  108.             counter++;
  109.             SLLNode<E> tmp = first;
  110.             while (tmp.succ != null) {
  111.                 tmp = tmp.succ;
  112.                 counter++;
  113.             }
  114.         }
  115.         return counter;
  116.     }
  117.  
  118.     public void merge(SLL<E> to_be_merged) {
  119.         if (first != null) {
  120.             SLLNode<E> tmp = first;
  121.             while (tmp.succ != null) {
  122.                 tmp = tmp.succ;
  123.             }
  124.             //SLLNode<E> ins = new SLLNode<E>(to_be_merged.getFirst(), )
  125.             tmp.succ = to_be_merged.getFirst();
  126.         } else {
  127.             first = to_be_merged.getFirst();
  128.         }
  129.     }
  130.  
  131.     public void mirror() {
  132.         if(first != null)
  133.         {
  134.             SLLNode<E> tmp = first;
  135.             SLLNode<E> newsucc = null;
  136.             SLLNode<E> succ = null;
  137.  
  138.             while(tmp != null)
  139.             {
  140.                 succ = tmp.succ;
  141.                 tmp.succ = newsucc;
  142.                 newsucc = tmp;
  143.                 tmp = succ;
  144.             }
  145.             first = newsucc;
  146.         }
  147.     }
  148.  
  149.     public void remove_duplicates()
  150.     {
  151.         if (first == null)
  152.             return;
  153.         SLLNode<E> tmp = first;
  154.         while (tmp != null)
  155.         {
  156.             SLLNode<E> prevNode = tmp;
  157.             SLLNode<E> currNode = tmp.succ;
  158.             while (currNode != null)
  159.             {
  160.                 //System.out.printf("Momentalen jazol vo vtoriot ciklus: %s\n", currNode.element.toString());
  161.                 if (tmp.element == currNode.element)
  162.                 {
  163.                     //Prebrisuvanje ako e pronajden ist element!
  164.                     //So sledniot na tmp. (pevNode.succ)
  165.                     prevNode.succ = currNode.succ;
  166.                 } else {
  167.                     prevNode = currNode; //updating prevNode in case of not a match
  168.                 }
  169.                 currNode = currNode.succ;
  170.             }
  171.             tmp = tmp.succ;
  172.         }
  173.  
  174.     }
  175.  
  176.  
  177.     @Override
  178.     public String toString() {
  179.         String ret = new String();
  180.         if (first != null) {
  181.             SLLNode<E> tmp = first;
  182.             ret += tmp + "-->";
  183.             while (tmp.succ != null) {
  184.  
  185.                 tmp = tmp.succ;
  186.                 ret += tmp + "-->";
  187.             }
  188.         } else {
  189.             System.out.println("Prazna lista");
  190.             //System.exit(1);
  191.         }
  192.  
  193.         return ret;
  194.  
  195.     }
  196.  
  197. }
  198.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin 
Standard input is empty
compilation info 
Main.java:5: error: class SLL is public, should be declared in a file named SLL.java
public class SLL<E> {
       ^
Main.java:7: error: cannot find symbol
    private SLLNode<E> first;
            ^
  symbol:   class SLLNode
  location: class SLL<E>
  where E is a type-variable:
    E extends Object declared in class SLL
Main.java:14: error: cannot find symbol
    public SLL(SLLNode<E> first) {
               ^
  symbol:   class SLLNode
  location: class SLL<E>
  where E is a type-variable:
    E extends Object declared in class SLL
Main.java:18: error: cannot find symbol
    public SLLNode<E> getFirst() {
           ^
  symbol:   class SLLNode
  location: class SLL<E>
  where E is a type-variable:
    E extends Object declared in class SLL
Main.java:46: error: cannot find symbol
    public void insertAfter(E o, SLLNode<E> node) {
                                 ^
  symbol:   class SLLNode
  location: class SLL<E>
  where E is a type-variable:
    E extends Object declared in class SLL
Main.java:53: error: cannot find symbol
    public void insertBefore(E o, SLLNode<E> before) {
                                  ^
  symbol:   class SLLNode
  location: class SLL<E>
  where E is a type-variable:
    E extends Object declared in class SLL
Main.java:23: error: cannot find symbol
        SLLNode<E> ins = new SLLNode<E>(o, first);
        ^
  symbol:   class SLLNode
  location: class SLL<E>
  where E is a type-variable:
    E extends Object declared in class SLL
Main.java:23: error: cannot find symbol
        SLLNode<E> ins = new SLLNode<E>(o, first);
                             ^
  symbol:   class SLLNode
  location: class SLL<E>
  where E is a type-variable:
    E extends Object declared in class SLL
Main.java:30: error: cannot find symbol
            SLLNode<E> tmp = first;
            ^
  symbol:   class SLLNode
  location: class SLL<E>
  where E is a type-variable:
    E extends Object declared in class SLL
Main.java:38: error: cannot find symbol
            SLLNode<E> ins = new SLLNode<E>(o, null);
            ^
  symbol:   class SLLNode
  location: class SLL<E>
  where E is a type-variable:
    E extends Object declared in class SLL
Main.java:38: error: cannot find symbol
            SLLNode<E> ins = new SLLNode<E>(o, null);
                                 ^
  symbol:   class SLLNode
  location: class SLL<E>
  where E is a type-variable:
    E extends Object declared in class SLL
Main.java:48: error: cannot find symbol
            SLLNode<E> ins = new SLLNode<E>(o, node.succ);
            ^
  symbol:   class SLLNode
  location: class SLL<E>
  where E is a type-variable:
    E extends Object declared in class SLL
Main.java:48: error: cannot find symbol
            SLLNode<E> ins = new SLLNode<E>(o, node.succ);
                                 ^
  symbol:   class SLLNode
  location: class SLL<E>
  where E is a type-variable:
    E extends Object declared in class SLL
Main.java:56: error: cannot find symbol
            SLLNode<E> tmp = first;
            ^
  symbol:   class SLLNode
  location: class SLL<E>
  where E is a type-variable:
    E extends Object declared in class SLL
Main.java:66: error: cannot find symbol
                SLLNode<E> ins = new SLLNode<E>(o, before);
                ^
  symbol:   class SLLNode
  location: class SLL<E>
  where E is a type-variable:
    E extends Object declared in class SLL
Main.java:66: error: cannot find symbol
                SLLNode<E> ins = new SLLNode<E>(o, before);
                                     ^
  symbol:   class SLLNode
  location: class SLL<E>
  where E is a type-variable:
    E extends Object declared in class SLL
Main.java:87: error: cannot find symbol
            SLLNode<E> tmp = first;
            ^
  symbol:   class SLLNode
  location: class SLL<E>
  where E is a type-variable:
    E extends Object declared in class SLL
Main.java:109: error: cannot find symbol
            SLLNode<E> tmp = first;
            ^
  symbol:   class SLLNode
  location: class SLL<E>
  where E is a type-variable:
    E extends Object declared in class SLL
Main.java:120: error: cannot find symbol
            SLLNode<E> tmp = first;
            ^
  symbol:   class SLLNode
  location: class SLL<E>
  where E is a type-variable:
    E extends Object declared in class SLL
Main.java:134: error: cannot find symbol
            SLLNode<E> tmp = first;
            ^
  symbol:   class SLLNode
  location: class SLL<E>
  where E is a type-variable:
    E extends Object declared in class SLL
Main.java:135: error: cannot find symbol
            SLLNode<E> newsucc = null;
            ^
  symbol:   class SLLNode
  location: class SLL<E>
  where E is a type-variable:
    E extends Object declared in class SLL
Main.java:136: error: cannot find symbol
            SLLNode<E> succ = null;
            ^
  symbol:   class SLLNode
  location: class SLL<E>
  where E is a type-variable:
    E extends Object declared in class SLL
Main.java:153: error: cannot find symbol
        SLLNode<E> tmp = first;
        ^
  symbol:   class SLLNode
  location: class SLL<E>
  where E is a type-variable:
    E extends Object declared in class SLL
Main.java:156: error: cannot find symbol
            SLLNode<E> prevNode = tmp;
            ^
  symbol:   class SLLNode
  location: class SLL<E>
  where E is a type-variable:
    E extends Object declared in class SLL
Main.java:157: error: cannot find symbol
            SLLNode<E> currNode = tmp.succ;
            ^
  symbol:   class SLLNode
  location: class SLL<E>
  where E is a type-variable:
    E extends Object declared in class SLL
Main.java:181: error: cannot find symbol
            SLLNode<E> tmp = first;
            ^
  symbol:   class SLLNode
  location: class SLL<E>
  where E is a type-variable:
    E extends Object declared in class SLL
26 errors
stdout 
Standard output is empty
https://ideone.com/9TKAmq
language:
Java (HotSpot 12)
created:
11 years ago
visibility:
public

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