Java 8 map foreach

Java foreach map

map.forEach((k, v) -> System.out.printf( " %s : %d \n" , k,v) );

Foreach map java

Map<String, String> map = ...
for (Map.Entry<String, String> entry : map.entrySet()) {
    System.out.println(entry.getKey() + "/" + entry.getValue());
}

Source: stackoverflow.com

Java 8 map foreach

public void iterateUsingStreamAPI(Map<String, Integer> map) {
    map.entrySet().stream()
      // ...
      .forEach(e -> System.out.println(e.getKey() + ":" + e.getValue()));
}

Source: baeldung.com

Java 8 map foreach

public void iterateUsingEntrySet(Map<String, Integer> map) {
    for (Map.Entry<String, Integer> entry : map.entrySet()) {
        System.out.println(entry.getKey() + ":" + entry.getValue());
    }
}

Source: baeldung.com

Java 8 map foreach

public void iterateUsingLambda(Map<String, Integer> map) {
    map.forEach((k, v) -> System.out.println((k + ":" + v)));
}

Source: baeldung.com

Java 8 map foreach

public void iterateUsingIteratorAndEntry(Map<String, Integer> map) {
    Iterator<Map.Entry<String, Integer>> iterator = map.entrySet().iterator();
    while (iterator.hasNext()) {
        Map.Entry<String, Integer> entry = iterator.next();
        System.out.println(entry.getKey() + ":" + entry.getValue());
    }
}

Source: baeldung.com

Similar codes

0 vote155 views1 answer
Which Is Better to Configure a Spring Boot Project — Properties or YAML?
Java
0 vote143 views1 answer
How to see if a shape is touching another shape in java
Java
0 vote146 views1 answer
Queue and stack reader
Java
0 vote168 views1 answer
Spring boot save file to static folder
Java Spring
0 vote142 views1 answer
Datentypen Java
Java
1 vote155 views2 answers
Android java log
Java
1 vote208 views1 answer
How to change the icon of a jframe
Java
0 vote142 views2 answers
Java determine number of cpu cores
Java
0 vote193 views1 answer
A Java-8 stream of batches,
Java
0 vote141 views1 answer
Moving text in textview android
Java