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 17139when we create singleton design then we create private constructtor..so how JVM take private constructor to make object..but it's private..
1 5697The 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 7630Post New Ness Technologies Core Java Interview Questions
What is one dimensional array in c++?
What is a commutator?
Given a table Employee which has columns name and salary, write an SQL query to find the employee with the second highest salary.
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What is the difference between maskable interrupts and non-maskable interrupts?
What is the significance of setup tables in lo extractions ?
What is the difference between gear motor and a stepper motor? Like i want to use gear motor for its excessive torque to move my robot. Can i use stepper motor instead?
What are floating point numbers?
Discuss the importance of adaptive devices and visual aids in enhancing the quality of life for visually impaired patients.
How many tags were removed in html5?
How to find a file in unix?
Is amazon cloud free for prime ?
What role does repl play in node.js?
How much does a magento website cost?
What is data quality in sap.