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Explain the term- Comparing Strings
For comparing Strings never use == operator, use equals method of String class.
- == operator compares addresses (shallow comparison) while equals compares values (deep comparison)
For instance: string1.equals (string2)
What is the difference between instance and object of a class? Few says both are same, then why java kept both the words for same thing?
Explain what is Multilevel Inheritance ? The Car-Motorcycle-MotorVehicle instances showed single-level inheritance. There's nothing to stop you from going next. You can describ
two different object may have chance to have same behavier but property must be different why?
Why there is a need to use primary key in database ? Primary key is a constraint basically used in datdabase to uniquely identify the records in the database.
how to code hosopital management system?
I need a chart and how this works with java? The functions itself.
How is method overriding different from method overloading? Overriding involves the creation of two or more concepts with the same name and same signature in different classes
Where the local varible declared? Declaring variables within a function, makes them local .They are available only within that function and hold no meaning outside of it
Hey, i have a project on java can you help me
Write a program that uses one of the Map classes to implement a contact list. Contact information should include first name, last name, a phone number and an email address. The lis
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