Print elements in map java

Print map java

map.forEach((key, value) -> System.out.println(key + ":" + value));

Source: stackoverflow.com

Print elements in map java

// Java 8 - Collection.iterator() + Iterator.forEachRemaining()
        map.keySet().iterator()
                .forEachRemaining(System.out::println);

Print map in java

Map<String, Integer> map = new HashMap<>();
map.put("a", 1);
map.put("b", 2);
System.out.println(Arrays.asList(map)); // method 1
System.out.println(Collections.singletonList(map)); // method 2

Source: stackoverflow.com

Similar codes

0 vote190 views1 answer
Lite-server cannot be loaded because running scripts is disabled on this system
TypeScript
0 vote179 views2 answers
Comparison method violates its general contract!
TypeScript
1 vote194 views1 answer
Swc entered unreachable code: export default from 'foo'
TypeScript
0 vote171 views1 answer
The parameter 'image Url' can't have a value of 'null' because of its type, but the implicit default value is 'null'. Try adding either an explicit non-'null' default value or the 'required'
TypeScript
0 vote167 views1 answer
Error TS2307: Cannot find module '@ngx-meta/core'.
TypeScript
0 vote174 views1 answer
Rapists near me
TypeScript
0 vote164 views1 answer
Create 2 set A and B of size n1 and n2 . Print sets A and B.
TypeScript
0 vote191 views1 answer
"Why aren't all young neutron stars seen as pulsars?"
TypeScript
3 votes226 views2 answers
How to compile typescript
TypeScript
0 vote290 views2 answers
Empty form elements except jquery
TypeScript