Hashmap итерация
// Java program to demonstrate iteration over
// Map.entrySet() entries using for-each loop
import java.util.Map;
import java.util.HashMap;
class IterationDemo
{
public static void main(String[] arg)
{
Map<String,String> gfg = new HashMap<String,String>();
// enter name/url pair
gfg.put("GFG", "geeksforgeeks.org");
gfg.put("Practice", "practice.geeksforgeeks.org");
gfg.put("Code", "code.geeksforgeeks.org");
gfg.put("Quiz", "quiz.geeksforgeeks.org");
// using for-each loop for iteration over Map.entrySet()
for (Map.Entry<String,String> entry : gfg.entrySet())
System.out.println("Key = " + entry.getKey() +
", Value = " + entry.getValue());
}
}
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