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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6. import java.util.Collection;
  7. import java.util.HashMap;
  8. import java.util.Map;
  9. import java.util.Set;
  10.  
  11. class Ideone implements Map<String, Integer>{
  12. 		public static void main (String[] args) throws java.lang.Exception
  13. 		{
  14. 			HashMap<String, Integer> List = new HashMap<>();
  15. 			List.put("TV", 10);
  16. 			List.put("TV", 20);
  17. 			System.out.println(List);
  18.  
  19. 			Ideone List2 = new Ideone();
  20. 			List2.put("TV", 10);
  21. 			List2.put("TV", 20);
  22. 			System.out.println(List2);
  23. 		}
  24.  
  25. 		HashMap<String, Integer> List = new HashMap<>();
  26.  
  27. 		public Ideone() {
  28. 			super();
  29. 		}
  30.  
  31. 		@Override
  32. 		public int size() {
  33. 			return List.size();
  34. 		}
  35.  
  36. 		@Override
  37. 		public boolean isEmpty() {
  38. 			return List.isEmpty();
  39. 		}
  40.  
  41. 		@Override
  42. 		public boolean containsKey(Object key) {
  43. 			return List.containsKey(key);
  44. 		}
  45.  
  46. 		@Override
  47. 		public boolean containsValue(Object value) {
  48. 			return  List.containsValue( value);
  49. 		}
  50.  
  51. 		@Override
  52. 		public Integer get(Object key) {
  53. 			return List.get(key);
  54. 		}
  55.  
  56. 		@Override
  57. 		public Integer put(String key, Integer value) {
  58. 			 if(List.containsKey(key))
  59. 				 List.put(key, List.get(key)+value);
  60. 			    else
  61. 			    	List.put(key, value);
  62. 			return value;
  63. 		}
  64.  
  65. 		@Override
  66. 		public Integer remove(Object key) {
  67. 			// TODO Auto-generated method stub
  68. 			return List.remove(key);
  69. 		}
  70.  
  71. 		@Override
  72. 		public void putAll(Map<? extends String, ? extends Integer> m) {
  73. 			List.putAll(m);
  74.  
  75. 		}
  76.  
  77. 		@Override
  78. 		public void clear() {
  79. 			List.clear();
  80.  
  81.  
  82. 		}
  83.  
  84. 		@Override
  85. 		public Set<String> keySet() {
  86. 			return List.keySet();
  87. 		}
  88.  
  89. 		@Override
  90. 		public Collection<Integer> values() {
  91. 			return List.values();
  92. 		}
  93.  
  94. 		@Override
  95. 		public Set<java.util.Map.Entry<String, Integer>> entrySet() {
  96. 			return List.entrySet();
  97. 		}
  98.  
  99. 		@Override
  100. 		public String toString() {
  101. 			return "MyHashMap [List=" + List + "]";
  102. 		}
  103.  
  104.  
  105. 	}
  106.  
Success #stdin #stdout 0.09s 27816KB
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Standard input is empty
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{TV=20}
MyHashMap [List={TV=30}]
https://ideone.com/Wl4Arb
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

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