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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4.  
  5.  
  6. class ListItem {
  7. 	public ListItem next;
  8. 	private int emp_id;
  9.  
  10. 	ListItem(emp_id) {
  11. 		this.next = NULL;
  12. 		this.emp_id = emp_id;
  13. 	}
  14. }
  15.  
  16. class LinkedList {
  17. 	public ListItem head;
  18.  
  19. 	private int count;
  20.  
  21. 	LinkedList() {
  22. 		this.head = NULL;
  23. 		this.count = 0;
  24. 	}
  25.  
  26. 	public void add(int emp_id) {
  27. 		ListItem prev = this.head;
  28. 		while(prev != NULL) {
  29. 			prev = prev.next;	
  30. 		}
  31. 		ListItem item = new ListItem(emp_id);
  32. 		if(this.count === 0)
  33. 			this.head = item;
  34. 		else
  35. 			prev.next = item;
  36.  
  37. 		this.count++;
  38. 	}
  39. }
  40.  
  41. class undefined {
  42.   public static void main() {
  43.     LinkedList list = new LinkedList();
  44.     list.add(5);
  45.     list.add(6);
  46.     ListItem item = list.head;
  47.     while(item != NULL) {
  48.       System.out.println(item);
  49.       item = item.next;
  50.     }
  51.   }
  52. }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
Main.java:10: error: <identifier> expected
	ListItem(emp_id) {
	               ^
Main.java:32: error: illegal start of expression
		if(this.count === 0)
		                ^
2 errors
stdout
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Standard output is empty
https://ideone.com/Z39XXx
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
public

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