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hashmap intro for java by priyasaloni · Pull Request #4 · caveofprogramming/java-beginners · GitHub

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hashmap intro for java #4

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hashmap intro for java #4

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14 changes: 14 additions & 0 deletions ideone_qNSN1A.java
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Original file line number Diff line number Diff line change
@@ -0,0 +1,14 @@
import java.util.*;
class HashMapExample {
public static void main(String args[]) {
// create and populate hash map
HashMap<Integer, String> map = new HashMap<Integer, String>();
map.put(101,"Let us C");
map.put(102, "Operating System");
map.put(103, "Data Communication and Networking");
System.out.println("Values before remove: "+ map);
// Remove value for key 102
map.remove(102);
System.out.println("Values after remove: "+ map);
}
}
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