fork download
copy 
  1. package queue;
  2.  
  3. class Queue
  4. 	{
  5. 		private int maxSize;
  6. 		private long[] queArray;
  7. 		private int front;
  8. 		private int rear;
  9. 		private int nItems;
  10.  
  11. 		public Queue(int s) 
  12. 	{
  13. 		maxSize = s;
  14. 		queArray = new long[maxSize];
  15. 		front = 0;
  16. 		rear = -1;
  17. 		nItems = 0;
  18. 	}
  19.  
  20. 		public void insert(long j) 
  21. 		{
  22. 			if(rear == maxSize-1) 
  23. 			rear = -1;
  24. 			queArray[++rear] = j;
  25. 			nItems++; 
  26. 		}
  27.  
  28. 		public long remove()
  29. 		{
  30. 			long temp = queArray[front++]; 
  31. 			if(front == maxSize) 
  32. 			front = 0;
  33. 			nItems--; 
  34. 			return temp;
  35. 		}
  36.  
  37. 		public long peekFront() 
  38. 		{
  39. 			return queArray[front];
  40. 		}
  41.  
  42. 		public boolean isEmpty() 
  43. 		{
  44. 			return (nItems==0);
  45. 		}
  46.  
  47. 		public boolean isFull()
  48.  
  49. 		{
  50. 			return (nItems==maxSize);
  51. 		}
  52.  
  53. 		public int size() 
  54. 		{
  55. 			return nItems;
  56. 		}
  57.  
  58. 	} 
  59.  
  60. 	class QueueApp
  61. 	{
  62. 		public static void main(String[] args)
  63. 		{
  64. 			Queue theQueue = new Queue(5); 
  65. 			theQueue.insert(10);
  66. 			theQueue.insert(20);
  67. 			theQueue.insert(30);
  68. 			theQueue.insert(40);
  69. 			theQueue.remove();
  70. 			theQueue.remove(); 
  71. 			theQueue.remove();
  72. 			theQueue.insert(50); 
  73. 			theQueue.insert(60); 
  74. 			theQueue.insert(70);
  75. 			theQueue.insert(80);
  76. 			while( !theQueue.isEmpty() ) 
  77. 			{ 
  78. 				long n = theQueue.remove(); 
  79. 				System.out.print(n);
  80. 				System.out.print(" ");
  81. 			}
  82. 			System.out.println("");
  83. 		}
  84. }
Runtime error #stdin #stdout #stderr 0.06s 974336KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Standard output is empty
stderr
copy 
Error: Could not find or load main class QueueApp
https://ideone.com/0KDfZA
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!