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 vote358 views1 answer
How to encrypt password in properties file in spring boot
Java Spring
0 vote351 views1 answer
Binary search 2D java
Java
0 vote280 views1 answer
Convert object array to int array java
Java
0 vote299 views1 answer
Jsonpath xpath java
Java
0 vote291 views1 answer
Java get current desktop
Java
0 vote279 views1 answer
Check if user has internet connection in kotlin
Java
0 vote285 views1 answer
Subtract two variables in java
Java
3 votes287 views1 answer
Padding a string with 0 in java
Java
0 vote287 views1 answer
Return 0 and return 1 in java
Java
2 votes269 views2 answers
How to count number of words in a string
Java