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What else can I help you with?
Can you overload the constructor in java true or false?
Yes, you can have more than one constructor with a different set of parameters.
Can a .java file contain more than one java classes?
Yes, it can. However, there can only be one public class per .java file, as public classes must have the same name as the source file.
Can you have more than 1 constructor in a class?
Yes. At least in Java, that's possible, as long as the constructors have a different number, or different types of, parameters.
Importance of computer packages in construction?
A Java package is a mechanism for organizing Java classes into namespaces similar to the modules of Modula. Java packages can be stored in compressed files called JAR files, allowing classes to download faster as a group rather than one at a time. Programmers also typically use packages to organize classes belonging to the same category or providing similar functionality. 1. A package provides a unique namespace for the types it contains. 2. Classes in the same package can access each other's members.
What is packaged programs?
A Java package is a mechanism for organizing Java classes into namespaces similar to the modules of Modula. Java packages can be stored in compressed files called JAR files, allowing classes to download faster as a group rather than one at a time. Programmers also typically use packages to organize classes belonging to the same category or providing similar functionality. 1. A package provides a unique namespace for the types it contains. 2. Classes in the same package can access each other's members.
How many packages available in java?
A Java package is a mechanism for organizing Java classes into namespaces similar to the modules of Modula. Java packages can be stored in compressed files called JAR files, allowing classes to download faster as a group rather than one at a time. Programmers also typically use packages to organize classes belonging to the same category or providing similar functionality.· A package provides a unique namespace for the types it contains.· Classes in the same package can access each other's members.package is a container in which similar classes are grouped together.package avoid the redundance of classes. it also provide security to hide the code only by importing the packege which contains the required class.
Why are constructors dynamic rather than static by default?
Because the JVM decides are run time which constructor to invoke depending on the parameters passed to it
How does java programming language handle graphics?
Java Graphics APIs - AWT and Swing - provide a huge set of reusable GUI components, such as button, text field, label, choice, panel and frame for building GUI applications. You can simply reuse these classes rather than re-invent the wheels. I shall start with the AWT classes before moving into Swing to give you a complete picture. I have to stress that AWT component classes are now obsoleted by Swing's counterparts.
Can always create objects of all types of classes?
Of course, JAVA programming has a stricter syntax format than C++
Is it possible to have more than one public class in the same file?
No. There can be multiple java classes in the same .java file, but the name of the file must match the name of the public class in the file.
What are the rules on how to construct java constructor?
1. The constructor has to have the same name as the classthat it is in.2. It does not have a return type. If it has a return type, then it is a method (even though it is legal, it's not ideal to have name a method the same name as the class).3. It can use any access modifier (this includes private).4. The default constructor does not take arguments.5. The first statement in a constructor has to have a super() type or this() type. If this is not written, by default, it's super(). It's illegal to have it in any other line other than the first line.6. Constructors can only access static variables.7. Only constructors have access to another constructor.Remember that interfaces do not have a constructor.
What is constructor and discuss different types of constructor with syntax and examples?
A constructor is a class method which initialises an object of the class at the point of instantiation. Specifically, it initialises the base classes (if any) and the non-static data members (if any). Constructors also play a central role in the resource acquisition is initialisation (RAII) paradigm. Objects which have a natural default value have a default constructor. The default constructor is a constructor that has no arguments or where all arguments have default values. Objects which can be copied have a copy constructor. The copy constructor has just one non-default argument, a const l-value reference of the same type as the class. Objects which can be moved have a move constructor. The move constructor has just one non-default argument, a modifiable r-value reference of the same type as the class. All other constructors that have only one argument of a type other than the class itself are known as conversion constructors. Constructors can also have more than one argument. No specific name is given to these constructors. Other than physical memory constraints, there is no limit to the number of constructors that may be defined for a class.
