What is the output of this program?import java.util.*; public class properties_Example { public static void main(String args[]) { Properties object = new Properties(); object.put("PQ", new Integer(23)); object.put("SR", new Integer(46)); object.put("UV", new Integer(25)); System.out.print(object.keySet()); } }

What is the output of this program?import java.util.*; public class pr

1.	What is the output of this program?import java.util.*; public class properties_Example { public static void main(String args[]) { Properties object = new Properties(); object.put("PQ", new Integer(23)); object.put("SR", new Integer(46)); object.put("UV", new Integer(25)); System.out.print(object.keySet()); } }
A.	[PQ, UV, SR]
B.	[PQ, UV]
C.	[UV, SR]
D.	[23, 46, 25]
E.	None of these
Answer» B. [PQ, UV]

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