i need ans very fast | java 1- What method can be used to create a new instance of an object?2- Which is the most reliable expression for testing whether the values of two stringvariables are the same?(3- Method signature consists of....4- How can you achieve runtime polymorphism in Java?5- Define composition?6- If a variable is declared as private, where may the variable be accessed?7- Where and how can you use a private constructor?8- What is type casting?9- Explain the use of subclass in a Java program?10- What is function overriding?

According to the Bartleby guideline, we are supposed to answer only first 3 short question at a…

1- What method can be used to create a new instance of an object? 2- Which is the most reliable expression for testing whether the values of two string variables are the same? (3- Method signature consists of .......

1- What method can be used to create a new instance of an object? 2- Which is the most reliable expression for testing whether the values of two string variables are the same? (3- Method signature consists of .......

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

i need ans very fast | java

1- What method can be used to create a new instance of an object?
2- Which is the most reliable expression for testing whether the values of two string
variables are the same?
(3- Method signature consists of....
4- How can you achieve runtime polymorphism in Java?
5- Define composition?
6- If a variable is declared as private, where may the variable be accessed?
7- Where and how can you use a private constructor?
8- What is type casting?
9- Explain the use of subclass in a Java program?
10- What is function overriding?

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