15 lines
466 B
Java
15 lines
466 B
Java
import java.util.HashMap;
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public class HashMapAmazon {
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public static void main(String[] args) {
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int[] ar = { 3, 4, 4, 4, 3, 3, 3, 3, 6, 6, 6, 6, 1, 1, 1, 1, 9 };
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HashMap<Integer, Integer> elementCount = new HashMap<>();
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for (int i : ar) {
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elementCount.put(i, elementCount.getOrDefault(i, 0) + 1);
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}
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for (Integer key : elementCount.keySet()) {
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System.out.println("Element: " + key + " Count: " + elementCount.get(key));
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}
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}
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}
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