How do you nullify or remove the unused objects from memeory?
Java Support Analyst Interview Questions
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Q. What is the difference between Singleton and Immutable object
Question: Write pseudo code to validate and evaluate a given arithematic expression Example: a+(b*c)+(d/e) If the input is syntactically wrong, display an error message else display the result
Question: Write a simple query to show data in a single resultset. Resultset should have department table data first order by deptname and followed immediately by sub-department table data also ordered by deptname. Both tables data should be wrapped in a single resultset, with the above criteria.
what is the output public class Barclays { static class A{ A(){ f(); } public void f(){ System.out.println("A ctor"); } } static class B extends A{ B(){ f(); } public void f(){ System.out.println("B ctor"); } } public static void main(String[] args) { B b = new B(); b.f(); A a = new A(); a.f(); } }
Write a method to remove even numbers from list without using any other collection.
Yeah, it is not thread safe, you can call it just a certain number of times, what would you do? There is some feature in the language, but I'm trying to see what you think.
You have a birthday cake and have exactly 3 cuts to cut it into 8 equal pieces. How do you do it?
program
Draw merge sort on paper.
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