get first entry in set java
Set<Long> set = new LinkedHashSet<>();
set.iterator().next();
// LinkedHashSet guarantees insertion orderget first entry in set java
Set<Long> set = new LinkedHashSet<>();
set.iterator().next();
// LinkedHashSet guarantees insertion orderjavascript get first entry from set
var x = new Set();
x.add(1);
x.add({ a: 2 });
//get iterator:
var it = x.values();
//get first entry:
var first = it.next();
//get value out of the iterator entry:
var value = first.value;
console.log(value); //1Copyright © 2021 Codeinu
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