JAVA
java
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import java.util.*;
public class Program
{
public static void main(String[] args) {
Map<Integer, String> map = new HashMap<>();
map.put(1, "a");
map.put(2, "b");
Iterator<Map.Entry<Integer, String>> it = map.entrySet().iterator();
while(it.hasNext()) {
Map.Entry<Integer, String> entry = it.next();
System.out.println(entry);
}
for(Map.Entry<Integer, String> entry : map.entrySet()) {
System.out.println(entry);
}
}
}
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OUTPUT
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