how to iterate hashmap in java

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Isabelle
23 Apr 2019
1for (Map.Entry<String, String> entry : yourHashMap.entrySet()) {
2	System.out.println(entry.getKey() + " = " + entry.getValue());
3}
source
Tess
16 Nov 2016
1for (Map.Entry<String, String> entry : yourHashMap.entrySet()) {
2	System.out.println(entry.getKey() + " = " + entry.getValue());
3}
4
5map.forEach((k, v) -> {
6    System.out.format("key: %s, value: %d%n", k, v);
7});
source
Luisa
09 Oct 2017
1public static void printMap(Map mp) {
2    Iterator it = mp.entrySet().iterator();
3    while (it.hasNext()) {
4        Map.Entry pair = (Map.Entry)it.next();
5        System.out.println(pair.getKey() + " = " + pair.getValue());
6        it.remove(); // avoids a ConcurrentModificationException
7    }
8}
source
Nico
17 Feb 2019
1for(Map.Entry<String, Integer> entry : hashMap.entrySet()) {
2    String key = entry.getKey();
3    Integer value =  entry.getValue();
4    //do something with the key and value
5}
source
Malena
08 Jun 2019
1Map<Integer, Integer> map = new HashMap<Integer, Integer>();
2for (Map.Entry<Integer, Integer> entry : map.entrySet()) {
3    System.out.println("Key = " + entry.getKey() + ", Value = " + entry.getValue());
4}
Yanis
07 Oct 2018
1public static void printMap(Map mp) {
2    Iterator it = mp.entrySet().iterator();
3    while (it.hasNext()) {
4        Map.Entry pair = (Map.Entry)it.next();
5        System.out.println(pair.getKey() + " = " + pair.getValue());
6        it.remove(); // avoids a ConcurrentModificationException
7    }
8}
9
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