Convert hashset to array

//	First of all, you shouldn't use raw types.
//	Use :
	Set<Integer> set = new HashSet<>();
	set.add(4);
	set.add(1);
//	Then convert to array :
	Integer[] arr = x.toArray(new Integer[set.size()]);
//	Using x.toArray() would give you an Object[].

Source: stackoverflow.com

Similar codes

0 vote218 views1 answer
Array index out of bounds exception
Java
1 vote240 views1 answer
Java real random
Java
0 vote237 views1 answer
Java print stack
Java
1 vote251 views2 answers
Use findviewbyid in fragment
Java
0 vote282 views1 answer
Webmvctest vs springboottest
Java
0 vote262 views1 answer
Resultset previous
Java
0 vote251 views1 answer
Interface in solidity
Java
2 votes249 views1 answer
Loop hash map
Java
51 votes265 views3 answers
Java get number of months between two dates
Java
0 vote204 views1 answer
Android studio java catch empty Button
Java