interface X{ void m1(); void m2(); } class Child2 extends Object implements X { public void m1(){ System.out.println("Child2 M1"); } public void m2(){ System.out.println("Child2 M2"); } } public class ParentChildInfterfaceDemo { public static void main(String[] args){ X x = new Child2(); X x1 = new Child2(); x.m1(); x.m2(); x.equals(x1); } } Will the above code work? If yes? Can you please explain why the code x.equals(x1) will work as the equals method is called on interface reference vaiable?

2 Answers  

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84. try { 85. ResourceConnection con = resourceFactory.getConnection(); 86. Results r = con.query(”GET INFO FROM CUSTOMER”); 87. info = r.getData(); 88. con.close(); 89. } catch (ResourceException re) { 90. errorLog.write(re.getMessage()); 91. } 92. return info; Which is true if a ResourceException is thrown on line 86? 1 Line 92 will not execute. 2 The connection will not be retrieved in line 85. 3 The resource connection will not be closed on line 88. 4 The enclosing method will throw an exception to its caller.

1 Answers  

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Why is it important to initialize a variable?

0 Answers  

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What is strings in java?

0 Answers  

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When does an object becomes eligible for garbage collection in java?

0 Answers  

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where is .equals() method and how is it different from == operation <giving some confusing implementation> Is hashing related to these?

4 Answers   iFlex,

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What are the basics of core java?

0 Answers  

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is this possible to create an array of 0 length? if so how? if not so why? coz we have an array in main() likw this "static void main(String [] s) then what it signifies?

3 Answers   Hexaware, TCS,

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What are the 4 types of characters?

0 Answers  

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What is the internal implementation of set in java?

0 Answers  

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Consider that class classA, abstract class classB, and final classC have been defined.Which one of the following is correct? 1. classA extends classC implements classB 2. class A extends classB, classC 3. classA extends classB 4. classB implements classC

2 Answers  

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Is a copy constructor?

0 Answers  

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