Remove the last element
Hello
I'm removing the last element in a LL individually. But it's not entry (method deleteFromTail) and also a message delete2 which I have not written anywhere in my print program... I don't have the code running on any other computer.
Javax.swing import. *;
Class StudNode {}
int id;
The name of the string;
Next StudNode;
StudNode (int id1, String name1) {}
ID = id1;
name = name1;
}
}
public class StudListDel2 {}
StudNode head, tail;
StudListDel2 () {}
head = tail = null;
}
Sub create4ElementList () {}
Add them to the queue
int id = 1;
int i = 0;
String name = "THIS" + id;
StudNode newNode;
newNode = new StudNode (id, name);
head = newNode;
tail = newNode;
for (i = 0; i < 4; ++ I) {}
ID ++;
name = "THIS" + id;
newNode = new StudNode (id, name);
tail. Next = newNode;
tail = newNode;
tail. Next.Next = null;
}
}
Sub display4List () {}
tail = head;
{while(tail!=null)}
JOptionPane.showMessageDialog (null, "name =" + tail.name + "id =" + tail.id);
tail = tail.next;
}
}
Sub deleteFromTail () {}
If only a single node in the list
JOptionPane.showMessageDialog(null,"delete***=1");
/ * If (head == tail)
head = tail = null;
else {}
JOptionPane.showMessageDialog(null,"delete***=2");
StudNode temp.
Temp = head;
While (temp.next! = tail) {}
Temp = temp.next;
JOptionPane.showMessageDialog (null, "led2 inside while" + tail.name + "id =" + tail.id);
}
tail = temp;
tail. Next = null;
JOptionPane.showMessageDialog (null, "delete3 =");
}
*/
}
Public Shared Sub main (String [] args) {}
StudList obj = new StudList ();
obj.create4ElementList ();
obj.display4List ();
JOptionPane.showMessageDialog (null, "deleteOOO1 =");
obj.deleteFromTail ();
JOptionPane.showMessageDialog (null, "deleteFFF4 =");
obj.display4List ();
}
}
Someone please guide me.
Zulfi.
Hello
His work. I can't believe. I just changed the name of the file from StudListDel2.java to StudListDel3.java & changed the name of class, he began to work.
I don't know if the logic is correct. But the logic is correct because I follow the logic of deletion of a book that I used 'while' Loop instead of "for". If any body having time, please read the code of void deleteFromTail () { is correct or not so that I shouldn't be passing wrong information.}
The complete code is:
public class StudListDel3 {}
StudNode1 head, tail, last;
StudListDel3 () {}
last = Chief = tail = null;
}
Sub create4ElementList () {}
Add them to the queue
int id = 1;
int i = 0;
String name = "THIS" + id;
StudNode1 newNode;
newNode = new StudNode1 (id, name);
head = newNode;
last is tail is newNode;
for (i = 0; i<4; ++i)="">4;>
ID ++;
name = "THIS" + id;
newNode = new StudNode1 (id, name);
Last.Next = tail. Next = newNode;
last is tail is newNode;
tail. Next.Next = null;
}
}
Sub display4List () {}
tail = head;
{while(tail!=null)}
JOptionPane.showMessageDialog (null, "name =" + tail.name + "id =" + tail.id);
tail = tail.next;
}
}
Sub deleteFromTail () {}
If only a single node in the list
JOptionPane.showMessageDialog(null,"delete***=1");
If (head is tail)
head = tail = null;
else {}
JOptionPane.showMessageDialog(null,"delete***=2");
StudNode1 temp.
Temp = head;
JOptionPane.showMessageDialog (null, "first and foremost remove * = 3");
While (temp.next! = last) {}
JOptionPane.showMessageDialog (null, "Inside all-in-1");
Temp = temp.next;
JOptionPane.showMessageDialog (null, "inside led2 while name =" + temp.name + "id =" + temp.id);
}
last is tail is temp;
Last.Next = tail. Next = null;
JOptionPane.showMessageDialog (null, "delete3 =");
}
}
Public Shared Sub main (String [] args) {}
StudListDel3 obj = new StudListDel3 ();
obj.create4ElementList ();
obj.display4List ();
JOptionPane.showMessageDialog (null, "deleteOOO1 =");
obj.deleteFromTail ();
JOptionPane.showMessageDialog (null, "deleteFFF4 =");
obj.display4List ();
}
}
Thanks for your reply. Its really beneficial when we see the flow back of great programmers like you. I'm not a programmer.
Zulfi.
Tags: Java
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