Java Utililty Methods Set to String

List of utility methods to do Set to String

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Description

The list of methods to do Set to String are organized into topic(s).

Method

StringtoString(Set attribute)
Returns first value from a set (used to find values of one-valued attributes) 
Iterator<String> it = attribute.iterator();
if (it.hasNext()) {
    return it.next();
return null;
String[]toStringArray(final Set set)
Return a Set as a String array 
final String[] f = new String[set.size()];
int i = 0;
for (final Iterator<?> iter = set.iterator(); iter.hasNext(); i++) {
    f[i] = iter.next().toString();
return f;
SettoStringSet(String... metrics)
to String Set 
return new LinkedHashSet<String>(Arrays.asList(metrics));