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What do you understand by an instance variable and a local variable?
In computer programming, an instance variable is a variable that belongs to an instance of a class. It is a member of the class and can be accessed and modified by any method within that instance. Each instance of the class has its own copy of the instance variable, which means that changes made toRead more
In computer programming, an instance variable is a variable that belongs to an instance of a class. It is a member of the class and can be accessed and modified by any method within that instance. Each instance of the class has its own copy of the instance variable, which means that changes made to the variable in one instance do not affect the value of the variable in other instances.
On the other hand, a local variable is a variable that is defined within a block or a method of code and is only accessible within that block or method. Local variables are temporary and are destroyed when the block or method execution ends. They are typically used to store intermediate values or parameters that are passed into a function. Local variables have limited scope and can only be accessed within the block or method in which they are defined.
In summary, instance variables belong to a class and are accessible throughout the instance of the class, while local variables are defined within a block or method and are only accessible within that block or method
See lessWhat do you mean by Garbage collection in programming?
Garbage collection is an automatic memory management technique used in computer programming to automatically identify and remove unused objects or variables from memory, freeing up memory space for other applications to use. In programming, when a new object or variable is created, it is alloRead more
Garbage collection is an automatic memory management technique used in computer programming to automatically identify and remove unused objects or variables from memory, freeing up memory space for other applications to use.
In programming, when a new object or variable is created, it is allocated a certain amount of memory space. Once the object or variable is no longer needed, the memory space should be released to avoid memory leaks and to ensure efficient memory usage.
Garbage collection involves the automatic detection of objects and variables that are no longer being used by the program and the removal of their associated memory space. This process is performed by the garbage collector, a component of the programming language’s runtime environment.
The garbage collector keeps track of all the allocated memory and identifies objects or variables that are no longer referenced by any part of the program. These unused objects or variables are then removed, freeing up memory for other tasks.
See lessCan java be said to be the complete object-oriented programming language?
Java is often considered a complete object-oriented programming language. It was designed from the ground up to be an object-oriented language and includes all the features typically associated with object-oriented programming, such as encapsulation, inheritance, and polymorphism. Java also includesRead more
Java is often considered a complete object-oriented programming language. It was designed from the ground up to be an object-oriented language and includes all the features typically associated with object-oriented programming, such as encapsulation, inheritance, and polymorphism.
Java also includes several features that make it easier to write object-oriented code, such as garbage collection and exception handling. Additionally, Java has a vast library of classes and APIs that provide extensive support for creating and working with objects.
However, there is no one-size-fits-all answer to this question as different programming languages have different strengths and weaknesses. Some languages may have additional features that are not found in Java, while others may be better suited for specific tasks or use cases.
In summary, while Java can be considered a complete object-oriented programming language, it is not necessarily the only one, and the choice of programming language ultimately depends on the specific needs and requirements of the project at hand.