When you say String is immutable, what do you mean by that? Say I have String s = "Ness" s= s+"Technologies"; What will happen? If the value gets appended, then what is the meaning of immutable here?
5 16951when we create singleton design then we create private constructtor..so how JVM take private constructor to make object..but it's private..
1 5590The following program is Overloading or Overriding? public class PolymorphismEx { public int sampleMethod(int a) { return a; } public String sampleMethod(int a) { return "Is it Overloading or Overriding???"; } }
4 7445Post New Ness Technologies Core Java Interview Questions
What are the ipc mechanisms in linux?
What is Data Log in Kafka?
How to compare dates in oracle sql?
Differentiate between the user mode and monitor mode.
What is Joomla Components?
What are the different types of email templates that can be created in Salesforce?
Explain copy constructor?
How will you explain save() and saveorupdate() methods in hibernate?
What's your experience with qa engineering?
Explain the basic difference between bs2 and bs3 engine?
What are the types of database recovery models?
Can I use any html in the box?
How garbage collection deals with circular references.
Cleared COG-112 with 100% score today. What next certification should i go for?
What are the interlocks we have to check during the start up of LP/HP compressor?