0
Can you use business logic in constructor with example in java?
Wiki User
∙ 13y ago
No. Logic should never go in a constructor; constructors should only be used to instantiate and initialize object data.
Wiki User
∙ 13y ago
Add your answer:
Earn +20 pts
Does Java support copy constructor?
No. Java does not support copy constructor
Does java class must have public method?
no you can have a class with no public methods and even with a a private constructor public class Example { //constructor private Example(){ } }
What is business logic and presentation logic in java?
business logic ....refers to the domain specific logic rules,proc,and processes presentation logic......concerned with how objects are displayed to the user of the software
Can you initialize an object without constructor in java?
No. if you wish to create an object that you plan on using in a java program then the answer is NO. You cannot initialize an object of a Java class without calling the constructor.
Can a constructor be defined within a method in java?
No.
Does Java support copy constructor?
No. Java does not support copy constructor
Does java class must have public method?
no you can have a class with no public methods and even with a a private constructor public class Example { //constructor private Example(){ } }
What happens when no constructor function is declared in a class - in Java?
When any constructor is deffined in your class, the java compiler create a default no argument constructor for you. This constructor only have an invocation to the super class constructor (" super( ) ").
What is business logic and presentation logic in java?
business logic ....refers to the domain specific logic rules,proc,and processes presentation logic......concerned with how objects are displayed to the user of the software
Is there a sample program for constructor?
All Java programs would have a constructor... public class Test { public Test(){ ... } ..... } This is a constructor. Even if you dont code the constructor Java would automatically place a default constructor for compilation.
What is use of constructor in java?
Constructor is used to do something (written in constructor) immediately after object creation.
Can you initialize an object without constructor in java?
No. if you wish to create an object that you plan on using in a java program then the answer is NO. You cannot initialize an object of a Java class without calling the constructor.
Can a constructor be defined within a method in java?
No.
What is copy constructor in java?
Java, unlike C++ does not support copy constructors.
Can you create a constructor for an interface in java?
NO, we cannot create a contructor for an interface in java.
Why constructor rather than classes in java?
Constructor is not an alternative to class. In Java, you create classes; the classes contain methods - including the constructor, which can be viewed as a special method. If you want to have a constructor, you need a class that surrounds it, so it's not one or the other.
What is the difference between implicit and explicit Java programming?
Explicit means done by the programmer. Implicit means done by the JVM or the tool , not the Programmer. For Example: Java will provide us default constructor implicitly.Even if the programmer didn't write code for constructor, he can call default constructor. Explicit is opposite to this , ie. programmer has to write .
