What is internal variable?

0 Answers  

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how to deploy apache tomcat server to weblogic server in java

0 Answers   IBM,

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What are the rules for variable declaration?

0 Answers  

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What is linked hashset and its features?

0 Answers  

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How do you decide when to use arraylist and linkedlist?

0 Answers  

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What will be the output of the program? public class Test { public static void main(String args[]) { ArrayList<String> list = new ArrayList<String>(); list.add("2"); list.add("3"); list.add("4"); list.add("5"); System.out.println("size :"+list.size()); for(int i=0;i<list.size();i++) { list.remove(i); } System.out.println("size after:"+list.size()); } }

5 Answers   Rolta,

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What does n mean?

0 Answers  

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7) Suppose there is Student class like class student { int age; string name; } We want to store these objects in a HashMap. Do we need to override any methods in Student class? If any which ones and why? what if i just override equals or just hashcode? what will be the results in both the cases?

4 Answers   CSC, Nagarro, RBS,

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whether java is fully object oriented language or partially object oriented language

4 Answers   Infosys, ME, SMK,

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Can we force garbage collector to run ?

0 Answers   B-Ways TecnoSoft,

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What are the drawbacks for singleton class?

0 Answers  

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What is Vector?Can you elaborate how Vector is Thread safe?

3 Answers   HCL,

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