java 8 loop in map
Map<String, Integer> items = new HashMap<>();
items.put("A", 10);
items.put("B", 20);
items.put("C", 30);
items.put("D", 40);
items.put("E", 50);
items.put("F", 60);
items.forEach((k,v)->System.out.println("Item : " + k + " Count : " + v));
items.forEach((k,v)->{
System.out.println("Item : " + k + " Count : " + v);
if("E".equals(k)){
System.out.println("Hello E");
}
});java iterate through map
for (Map.Entry<String, Object> entry : map.entrySet()) {
String key = entry.getKey();
Object value = entry.getValue();
// ...
}iterate map in java 8 using stream
public void iterateUsingStreamAPI(Map<String, Integer> map) {
map.entrySet().stream()
// ...
.forEach(e -> System.out.println(e.getKey() + ":" + e.getValue()));
}java 8 map foreach
public void iterateUsingLambda(Map<String, Integer> map) {
map.forEach((k, v) -> System.out.println((k + ":" + v)));
}Copyright © 2021 Codeinu
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