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To retrieve values from a hash table based on keys, we can use the get
method. This method takes a key as input and returns the corresponding value stored in the hash table.
Here's an example implementation of a get
method in Java:
TEXT/X-JAVA
1// Method to retrieve the value associated with a key from the hash table
2public String get(String key) {
3 // Calculate the index based on the hash code of the key
4 int index = getIndex(key);
5
6 // Traverse the chain of entries at the index
7 HashEntry current = entries[index];
8
9 // Check if the key exists
10 while (current != null) {
11 if (current.key.equals(key)) {
12 return current.value;
13 }
14
15 current = current.next;
16 }
17
18 return null;
19}
20
21// ... rest of the code
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