java map foreach

Solutions on MaxInterview for java map foreach by the best coders in the world

showing results for - "java map foreach"
Mildred
04 Jan 2017
1// 1. for-each with Entry
2Map<Integer, Integer> map = new HashMap<Integer, Integer>();
3for (Map.Entry<Integer, Integer> entry : map.entrySet()) {
4    System.out.println("Key = " + entry.getKey() + ", Value = " + entry.getValue());
5}
6
7
8// 2. for-each with key or value each (faster)
9Map<Integer, Integer> map = new HashMap<Integer, Integer>();
10//iterating over keys only
11for (Integer key : map.keySet()) {
12    System.out.println("Key = " + key);
13}
14 
15//iterating over values only
16for (Integer value : map.values()) {
17    System.out.println("Value = " + value);
18}
19
20
21// 3. Using Iterator
22Map<Integer, Integer> map = new HashMap<Integer, Integer>();
23// With Generic
24Iterator<Map.Entry<Integer, Integer>> entries = map.entrySet().iterator();
25while (entries.hasNext()) {
26    Map.Entry<Integer, Integer> entry = entries.next();
27    System.out.println("Key = " + entry.getKey() + ", Value = " + entry.getValue());
28}
29
30// No Generic
31Map map = new HashMap();
32Iterator entries = map.entrySet().iterator();
33while (entries.hasNext()) {
34    Map.Entry entry = (Map.Entry) entries.next();
35    Integer key = (Integer)entry.getKey();
36    Integer value = (Integer)entry.getValue();
37    System.out.println("Key = " + key + ", Value = " + value);
38}
39
Luc
17 Nov 2018
1Map<String, Integer> items = new HashMap<>();
2items.put("A", 10);
3items.put("B", 20);
4items.put("C", 30);
5items.put("D", 40);
6items.put("E", 50);
7items.put("F", 60);
8
9items.forEach((k,v)->System.out.println("Item : " + k + " Count : " + v));
10
11items.forEach((k,v)->{
12	System.out.println("Item : " + k + " Count : " + v);
13	if("E".equals(k)){
14		System.out.println("Hello E");
15	}
16});
Regina
09 Feb 2016
1map.forEach((k, v) -> System.out.printf( " %s : %d \n" , k,v) );
Mila
25 Mar 2018
1Map<String, String> map = ...
2for (Map.Entry<String, String> entry : map.entrySet()) {
3    System.out.println(entry.getKey() + "/" + entry.getValue());
4}
Kaina
20 Jun 2018
1public void iterateUsingStreamAPI(Map<String, Integer> map) {
2    map.entrySet().stream()
3      // ...
4      .forEach(e -> System.out.println(e.getKey() + ":" + e.getValue()));
5}
6
Juan
28 Jul 2019
1public void iterateUsingEntrySet(Map<String, Integer> map) {
2    for (Map.Entry<String, Integer> entry : map.entrySet()) {
3        System.out.println(entry.getKey() + ":" + entry.getValue());
4    }
5}
6
queries leading to this page
for loop over a map javaiterate map values java 8foreach in map javaiterate through the map bject in java streamjava map entry iteratoriterate through hashmap java8foreach for mapiterate over every key of mapfor each loop on mapandroid iterate over maphow to iterate through hashmap in java 8loop over map java 8iterate through a map javaforeach and map java 8maps foreach javahow to iterator through a maptraverse a map in javadoes map do a for eachjava 8 foreach map key valuejava iterate over map 5centryset java for loopfor each loop in mapiterate hashmap in java 8 streamtraverse map javaiterating over map in javaiterate over a map in javajava iterate map key valuejava map foreach exampleitirate map javamap foreachhow to loop over stream of entry in javaforeach and map java 8 in iteration in java spring bootiterate a map in javajava8 iterate over a mapjava iterate mapjava map each element in arrayjava map entryset foreachuse map iterator javajava8 loop through mapimplement foreach map javalist itearte in java8loop on map java streamforeach in java 8 using mapmap and for eachforeach in map javajava for each key of mapmap java 8 foreachjava map foreach valuemap loop javajava 8 for loopjava streams iterate through map and get a valuejava foreach hashmap lambdaiterate map javahow to do loop on map in java 8map implementation using eachiterator over a mapeach mapiterate map using stream in java 8 and collect valuemap 3cstring 2c string 3e forearch javaget map with for each javaiterate in map in javaiterate over map keys in javaforeach over mapmap foreach java 8how to iterate over a map in javaloop through java mapmap in java for each go to next value in map entry for each entryset iteratorfor each or mapfor each hashmap java 8 examplehow to iterrate over a map in javajava iterate values of map string stringjava hashmap lambda foreachjava best map to itterate through for additionprint map javatraversing map in java8loop iteration in java mapmap foreach in java 8for java maphow to use foreach and map in java 8test map values in loopmap or foreach in java stream 3fhow to iterate map using stream in javajava 8 how to loop mapfor loop mapiterate maptraverse throuh map javajava 8 loop maptreemap foreach java 8check map values in while loop foreach on map java 8for loop over map in javaiterate map in java 8 foreachread map in java 8loop and mapusing for each on a maploop through a java mapjava using map in for each loophashmap iteration java 8foreach with hashmap javafor each java string maphashmap foreach java 8use map foreach javajava stream loop through mapset value for each entry in maphow to iterate into map in java8print map in java 8java entry set iterate by valuehow to iterate on map in javafor map java 8map iterate javahow to itrate object value from map in javahow to iterate map in java 8 using streamhava iterate map valuesjava how to cycle mapjava foreach hashmap examplejava map entryset iteratorofreach in mapjava map loop through entry setcalling 2 methods in a stream javaiterating the map in java 8java lambda iterate mapwhat ways to iterate map javajava iterate in mapjava 8 foreach map entryiterate map keys java 8foreach loop for map in java 8loop through map in java entryiterate through map java 8map java loopiterate on map javamap put on each iterationhow to get parse through list of map using stream javajava foreach for maphow to use foreach map javaiteration of map in javahashmap iteration in java 8map loop in java 8loop through mapiterater map javajava 8 iterate map and create new maploop map andoridjava loop over mapforeach value in map javafor loop hashmap java 11maphash foreach javaloop througnh an mapjava 8 list iterate and use maowhat is the difference between map and foreachmap next javahow to return from a method from within a map foreach javakey value iteration java8 collect dataiterate through all key value pairs lambda javamap and foreach java 8how to iterate through map in java 8java 8 loop throth mapiterating map in javajava foreach key in mapjava 8 loop through mapmap java foreachitterate throug mapjava map foreach variablehashmap java foreachiterate map using java8forech map javaforeach map entry in javatraverse a map javajava for each in a map foreach a map javajava loop array and set values with mapprinting map javajava 8 iterate hashmaphow to loop though a map in javajava loop a maphow foreach in lambda mapinterate through mapjava map foreach functioniteratemap java 8 5cmap iterable javajava stream iterate through mapjava iterate over map with foreachreturn in map java lambda foreacjloop map javamap iteration in javaloop through all entries in map ajvacheck map value in while iteratinglambda expression for loop in map javaiterating through map on javahm foreach 28 28k 2c v 29 3e system out println 28k 2b 22 3a 22 2b 28v 2b 10 29 29 29 3bloop trough a map javamap use for eachmap entryset 28 29 foreach iterate over map java 8 iterate a map streamhashmap loop in java 8stream to iterate maphow to use a for each loop on a map javajava 8 foreach mapiterate over entryset in stream javajava 8 map iterationfor each with mapiterate over map using streamhow to iterate a map in java using streamforeach on map in javajava iterating through mapitertaing over a map in javajava map lambda foreachjava loop through a mapjava 3a foreach in mapiterate a map javafor each map javaforeach map object javahow to loop through a map in javaforeach to map javaiterate over a map java 8java stream foreach map itemsmap iterator javafor each map entry javausing map with entry set in java with foreachmap iterate java 8string map print java forforeach key mapjava 8 hasmap iterationhow to iterate map in javafor each loop mapiterating a map in java 8how to iteraate over a map in javaiteerate map keysss java 8how iterate map in javaiterate map in javafor map javajava map iterate streamhow to traverse map in javaiterate through map object javaiterate through map in java 8iterate hashmap in java8for each map entry javahow to iterate through a map in javajava for each over mapstreams map iteratejava foreach map entryfor each loop in map javafor loop for map in java 8java map foreachjava 8 loop over mapjava 8 iterate maploop over mapmap iteration in java 8 examplejavascript map foreachhow to loop hashmap in java 8how to display java map using foreach loopwhile in mapjava to for each on mapiterate through map in javamap for loop javajava stream map iteratorjava for each with keyiterate map of map in java 8java 8 lambda update map using iteratoriterating over map not working jshow to iterate through map javaiterate through map javalooping throuhg map javaoperation on every map value javaiterater map in java8java foreach on mapiterate the map in java 8java for loop mapforeach map java 8 and create new listfor each for maps javafor each on map java 8map foreach javajava map cycle on each keyhow to iterate through map in javatraverse a map of map in javamap iterator java 8java 8 hashmap iterator in single linefor loop map javamap for each mathod foreach map javajava printmapjava map for eahcloop on map javahow to iterate map in java 8java loop thorugh maploop a map in java 8hasmap foreach javamap iterator next 28 29looping map in java 8loop thru map java 8loop over values of a map javaiterate java mapforeach for map in javaentryset in java 8for each map methidforeach to mapjava iterate a mapfor entry in map javaforeach hashmap java 8map for eachiterate map foreach in javajava map forforeach on map javaiterate through a pam and save to another mapmap get 28 29 for each javaforeach element in map javafor loop for map javamap iterate using java 8 foreachtraverse on map in javajava for each for maplooping hashmap java 8iterate over a map javaiterate an array in java 8java print mapforeach for map in java detaiedhashmap java 8 iteratemap foreach java 8java 8 stream map foreach exampleiterate a map using java 8how to iterate map values in java 8java 8 deep copy listloop over map javaforeach java mapiterate map inside map in java 8foreach key value in map java 5cjava traverse map valuesjava 8 way to iterate maphow to do a foreach loop with a map in javacan you loop through a java mapiterating over a mapforeach lambda hashmap loop hashmap java 8for mapfor each in map javajava for each over hash mapjava loop mapiterate through map values javamap or foreach in java 3fjava iterate map foreachiterate over map keys java 8arraylist map foreach javaoop through a mapjava map foreach consumerjava interate mapiterate over map using java 8for loop for map in javafor each for map javajava map eachjava 8 stream iterate over mapfor loop inside using a map in javajava 8 map for eachjava iterate through mapjava cycle trough mapsiterate map values in java 8foreach mapjava 8 map iterate with foreachjava use foreach on mapmap java foor looploop througha a map java 8java for each mapjava map for loopjava 8 map foreachjava map loop valuesmap foreach java entrysetforeach map javafor each key map javaiterating a map in java8iterate map in java 8 streamjava iterate map with foreachfor each java of a mapjava best practice to iterate over mapjava foreach with mapiterate jav8 map java 8foreach entryset javamake iterator of entrycycle through map javajava map loopiterate over map javajava 8 collections print map foreachiterating trhoug a mapmap iterator in javajava loop over map valuesjava map iteratorhmap foreach javahashmap in foreach javajava foreach loop in hash mapjava 8 loop in mapforeach key value map javaforeach map java 8iterate over map in stream javajava map foreach loopiterate map java 8java 8 best way to iterate mapiteerate over a map in javaloopy system mapjava map for each keyloop on a map javaiterate hashmap in java 8 streamsfor each and mapapply foreach on map in javaiterate in map java 8looping through a map in javaiterating through map in javahow to print out a map javamap string object foreachiterating map in java 8for each through mapwhat ways to loop map in javaloop map java exampleiterate hashmap in java 8iterate over map java 8foreach with map javahow to ieterate map in java8iterate map in java foreachforeach for map in java 8ways of looping through map javajava loop array and set values with stream mapjava map iteratemap each itemiterate through map using stream javajava foreach entry on mapforeach with mapjava foreach over maptraverse map in javahow to iterate a map in javamap 3cstring 2c string 3e for eachcode goes through mappingandroid map loopstream api iterate mapjava streams iterate through map and filterfor lool for map in java 8looping map in java 8 get valueshow to loop map in javamap for each javaiterate in java 8 mapitterate over map in a map javaiterate a maploop through map entry javajava how to loop over maphow to iterate over map in javafor each on hashmap javamap for each function darloop throught map in javahow to loop through a map javajava for each entry in maphow to loop an entryjava iterate map valuesforeach in hashmap javajava iterate hashmap lambdafor each item in mapfo each on map javajava return foreach from a mapentryset in java for eachstream iterate map of map of stringiterate a map java8loop over map values foreachhashmap foreach javalooping through map in java 8java map foreach key valueforeach loop java map 3cstring 2cstring 5b 5d 3efor each loop map javahashmap iterate foreach loop java8java 8 map foreach examplejava map iterationmap in for loop iteratibeinterate over mapiterator over map in javaprint map in javajava foreahc maphow to loop through map in javajava stream foreach mapmap looploop java mapjava map for eachiterate over hashmap java 8java iterate in map of mapsloop map and set valueiterate map in java 8 using streamfor each on mapfor each java mapnext value in map entry javaforeach on hashmap in javamap forjava itterate in mapjava hash map for each methodlooping map in javajava map foreachmap and foreach javajava map foreach with key and valueiterating hashmap java 8iterating through a map javaforeach map example java java 8 iterrate ove an hasmapforeach hasmap javatraverse through map javajava for each map valueiterate over map easily with foreach java 8iterator in a map javaiterate map using streamloop on map java 8for each entry in map javafor each in mapfor entry in set javahow to loop through a mapjavascript map foreach examplefor each mapjava8 iterate map with foreachjava map loopingjava iterate mappmap keys foreach javafor each 2c mapiterate map in java8java 8 way to iterate over maploop through a map javajava looping through mapjava 8 how to iterate a maphow to traverse a map in javamap vs hashmap javajava stream map foreachloop through map in javaandroid loop on mapiterate map using stream in java 8java map foreach 28loop inside a maping javaloop through map javamap values foreach javajava 8 iterate map key valueforeach in map java 8loop throuh a map in javaiterate map key java 8java foreach hashmapjava 8 map iteratorforeach int map java8iterate through map and get values java 8hashmap iterator java 8java foreach in maploop over map in javastream distinct java 8java iterate map and return stringhashmap loop java 8java map entry loop one linerjava foreach mapfor each in map in javaiterate over a hashmap in java 8for loop java mapmap foreach java exmaplemap iteration in java 8java loop through mapkey value iteration java8for each stream for map in java 8iterating a map in javahow to use foreach in map javajava map stream iterateiterate map and get values in java 8map 28this 3a 3anext 29 javajava 8 map iterate streamiterate over map in java 8iterting over mapmap for each loopforeach map entry javaiterate map using val in java 8how to get loop in map with stream javaiterate in map javaiterate over map java using foreachjava hashmap foreach foreach over hashmap java 8iterating over a java mapjava iterate through map streammap foreach java exampleforeach for map javahow to use foreach for map in java 8map iterate key and value java 8iterating through map in java 8java iterate over mapstream make foreah on map java 8map foreach javaforeach java hashmapfor entry mapforeach hashmap javaiterate map streamforeach method in map javascriptloop through hashmap java 8for each with maps javaiterate map in java 8iterate through hashmap java 8foreach hashmap in javajava 8 iterate over mapjava foreach map 3cstring 2c object 3ehow to iterate hashmap in java 8java loop in mapiterate with entriesjava iterate map functional styleierate throuh map injavajava map for each java8java map foreach