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The non-final functions are clone (), finalize (), toString (), equals (), hashCode () and. The other methods like wait (), getClass (), notifyAll (), notify () etc are final functions and therefore cannot be overridden.
The hashCode() and equals() methods have to be very important, when objects implementing these two functions are added to collections. If not implemented or implemented incorrectly at all then your objects added in a collection like a Set, Map or List can behave strangely and also is hard to debug.
What is the difference between the Boolean & operator and the && operator? If an expression including the Boolean & operator is evaluated, both operands are evaluated. Then the
Authentication is basically an identification step. Functionality used for J2EE security: Principal : An entity that may be authenticated and identified. Principal n
Explain operator precedence in java ? It's probable to combine multiple arithmetic expressions in one statement. For example the subsequent line adds the numbers one by five:
Question: (a) Explain the importance of abstract classes in Java with an appropriate example. (b) Explain what is meant by an interface in Java? Use a simple example to il
What is the purpose to use the enableEvents() method?
Purpose Demonstrate your ability to ability to use Java data and control structures. Draw with the aid of conditionals and loops. Background Thought A note on comments:
Implement the Money class discussed in class. This class should represent a dollar and cents amount with 0-99 cents and the cents being the same sign as the dollars. The class shou
What are the advantages that Java's layout managers provide over traditional windowing systems ?
Question Based on the program fragment below, rewrite the outer for loop using: a. while loop b. repeat..until loop
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