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7 Years Experience Core Java Interview Questions : Java interview questions and answers :
7 Years Experience Core Java Interview Questions :
1.Does polymorphism applicable for static methods ?
Class superClass {
Public static void method(){..}
}
Class subClass extends superClass {
Public static void method(){..}
}
superClass obj = new subClass(); obj.method(); superClass's method() will be called.
2.What is the difference between Comparator and Comparable ?
3.How Hashmap works ?
4.Write Java code to iterate hashmap ?
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