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What Is The Output Of This Program? 1. Import Java.util.*; 2. Class Properties { 3. Public Static Void Main(string Args[]) { 4. Properties Obj = New Properties(); 5. Obj.put("ab", New Integer(3)); 6. Obj.put("bc", New Integer(2)); 7. Obj.put("cd", New Integer(8)); 8. System.out.print(obj.keyset()); 9. } 10. } |
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Answer» OBJ.keySet() returns a set containing all the keys USED in properties object, here obj contains keys AB, BC, CD therefore obj.keySet() returns [AB, BC, CD]. $ javac properties.JAVA obj.keySet() returns a set containing all the keys used in properties object, here obj contains keys AB, BC, CD therefore obj.keySet() returns [AB, BC, CD]. Output: $ javac properties.java |
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