What is serial version uid and its importance in java?

0 Answers  

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Can we override compareto method?

0 Answers  

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What is a hashmap used for?

0 Answers  

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1.IN CASE OF DYNAMIC METHOD DISPATCH WHY WE USE REFERENCE VARIABLE,WE CAN USE THE DIFFERENT DEFINED OBJECT DIRECTLY TO ACCESS THE DATA MEMBER AND MEMBER FUNCTION OF THAT RESPECTIVE CLASS?WHAT IS THE MAIN FUNCTION OF "REFERENCE VARIABLE" HERE?

2 Answers   TCS,

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What is string example?

0 Answers  

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Can a class be a super class and a sub-class at the same time? Give example.

1 Answers  

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abstract class Demo { public void show() { System.out.println("Hello I am In show method of Abstract class"); } } class Sample extends Demo { public void show() { super.show(); System.out.println("Hello I am In Sample "); } } public class Test { public static void main(String[] args) { //I WANT TO CALL THE METHOD OF BASE CLASS IT IS POSSIBLE OR NOT CAN WE USE SCOPE RESOLUTION OPERATOR TO CALL OR JAVA NOT SUPPORTED THAT :: OPERATORE } }

3 Answers  

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What is string subsequence method?

0 Answers  

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What are the basics of core java?

0 Answers  

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Can a for statement loop indefinitely?

3 Answers  

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StringBuilder s = new StringBuilder("Hello Mom");s.append(",I mean,Mother"); Response.Write(s.ToString()); String s = "Hello Mom"; s+ = ",I mean Mom"; Response.Write(s); Which is faster ? which uses the most memory?

6 Answers   HCL,

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What is serializable interface?

13 Answers   Infosys, Probity Soft, Seed Infotech,

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