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import java.util.*;
public class TestSet{
	enum Example[ONE,TWO,THREE];
	public static void main(String a[])
	{
		Collection<Example>colt=new ArrayList<Example>();
		colt.add(Example.THREE);
		colt.add(Example.THREE);
		colt.add(Example.THREE);
		colt.add(Example.TWO);
		colt.add(Example.TWO);
		colt.add(Example.ONE);
		Set<Example>set=new HashSet<Example>(colt);
	}
	}

Main.java:3: error: '{' expected
	enum Example[ONE,TWO,THREE];
	            ^
Main.java:3: error: ',', '}', or ';' expected
	enum Example[ONE,TWO,THREE];
	             ^
Main.java:3: error: '}' expected
	enum Example[ONE,TWO,THREE];
	                 ^
Main.java:3: error: <identifier> expected
	enum Example[ONE,TWO,THREE];
	                    ^
Main.java:3: error: ';' expected
	enum Example[ONE,TWO,THREE];
	                          ^
5 errors

Standard output is empty