package com.kt4study.corejava.collection;
import java.util.LinkedHashMap;
/**
* @author kt4study.blogspot.co.uk
*
*/
public class LinkedHashMapExample {
public static LinkedHashMap<String, Integer> getLinkedHashMap() {
// Create An Instance Of LinkedHashMap
LinkedHashMap<String, Integer> linkedHashMap = new LinkedHashMap<String, Integer>();
// Add String as Key and Integer as Value in LinkedHashMap.
linkedHashMap.put("No Of Players In Football", 11);
linkedHashMap.put("No Of Players In Chess", 1);
linkedHashMap.put("No Of Players In Volleyball", 6);
linkedHashMap.put("Variable", 40);
linkedHashMap.put(null, null);
linkedHashMap.put("Variable", 88);
return linkedHashMap;
}
public static void main(String[] args) {
LinkedHashMap<String, Integer> linkedHashMap = LinkedHashMapExample.getLinkedHashMap();
// Print all the elements From LinkedHashMap
for (String key : linkedHashMap.keySet()) {
System.out.println("Element from LinkedHashMap:: " + key + " - " + linkedHashMap.get(key));
}
}
}
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Output → LinkedHashMap can have "null" key and "null" value. All keys are unique in LinkedHashMap.
Element from LinkedHashMap:: No Of Players In Football - 11
Element from LinkedHashMap:: No Of Players In Chess - 1
Element from LinkedHashMap:: No Of Players In Volleyball - 6
Element from LinkedHashMap:: Variable - 88
Element from LinkedHashMap:: null - null
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