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Constructors are used to create the instance of a class.
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∙ 13y ago
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Which is the most usable method or constructor in java?
There is no comparison between methods and constructors. They are both present for a reason and each has its own purpose.
What is copy constructor in java?
Java, unlike C++ does not support copy constructors.
What are different type of constructor in java?
Every class, including abstract classes, MUST have a constructor. The different types are: a. Regular constructors b. Overloaded constructors and c. Private constructors
When constructor function are called in java?
Constructors are called during object creation.
Can you instantiate an interface?
According to a beginner's book on Java, an interface can't have constructors. Also, the interface itself can't contain the method implementation.
Can you use business logic in constructor with example in java?
No. Logic should never go in a constructor; constructors should only be used to instantiate and initialize object data.
What do you mean by this keyword in java?
"this" is a Java keyword that references the current object. Any part of the object(instance variables, methods, constructors) can be accessed by calling this.[member].
For what purpose is Sun Java used?
Sun Java is a computer software aimed at Java users. It's primary purpose is to make use of "immortal memory" allowing for memory to last forever without getting erased or expiring.
2 What is the purpose of garbage collection in java and when is it used?
Garbage collection prevents memory leaks. In Java, the Java Virtual Machine will garbage collect whenever there is memory that has no references.
What is the purpose of NoMatchException handling method in java?
java exception
What is the purpose of a byte in Java?
Java coding uses byte as one of the programming directives to clarify commands. Byte can also be used in the Java code to save memory space when the need arises.
What is main advantage of using constructors in java?
Constructors have the same name as the class itself and they do not specify a return type, not even void because they return the instance of the class itself. Because constructors have the same name as the class then they allow method overloading and also save memory and execution time of program. Program release memory of constructors function after using this function and it reduce program complexity.
