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Programming Languages: C, C++, and Java
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1.Set s = new TreeSet(); 2.s.add("JAVA"); 3.s.add(new Integer(5)); Line 3 will give ClassCast Exception because Two different types of object are getting added.
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A
True
💡 Explanation:
This is a duplicate of blocks 129672, 129674, 129675, and 129676. TreeSet uses natural ordering; when you add Integer after String, it attempts to compare them and throws ClassCastException because Integer and String are not mutually comparable.