HashMap to ArrayList Example

package com.concretepage;

import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map.Entry;
import java.util.Set;

public class HashMapToArrayListExample {

public static void main(String[] args) {

        HashMap<String, String> studentPerformanceMap = new HashMap<String, String>();
        //Adding elements to HashMap
        studentPerformanceMap.put("John Kevin", "Average");
        studentPerformanceMap.put("Rakesh Sharma", "Good");
        studentPerformanceMap.put("Prachi D", "Very Good");       
        studentPerformanceMap.put("Ivan Jose", "Very Bad");
        studentPerformanceMap.put("Smith Jacob", "Very Good");
        studentPerformanceMap.put("Anjali N", "Bad");
       
        //Getting Set of keys
       
        Set<String> keySet = studentPerformanceMap.keySet();
ArrayList<String> listOfKeyValues = new ArrayList<String>(keySet);
for(String keys : listOfKeyValues) {
//System.out.println(keys);
}

Collection<String> ref = studentPerformanceMap.values();
    ArrayList<String> values1 = new ArrayList<String>(ref);
    for(String values2 : values1) {
    System.out.println(values2);
    }

Set<Entry<String,String>> home = studentPerformanceMap.entrySet();
ArrayList<Entry<String, String>> homeRef = new ArrayList<Entry<String,String>>(home);

for(Entry<String, String> reference : homeRef) {
System.out.println("reference.getKey " +reference.getKey() + "--" + reference.getValue());
}

}


}