#java

code  What is the difference between an abstract method and a concrete method in Java?

In Java, an abstract method is a method that is declared, but not defined, in an abstract class or interface. The method definition is left to the...    Read more

data_usage  What is the difference between a HashSet and a TreeSet in Java?

Both HashSet and TreeSet are two important classes in Java's Collection Framework that are used to store a collection of elements, but there are some...    Read more

code  How does exception handling work in Java?

Exception handling in Java is a way to handle errors and exceptional situations that can arise during the execution of a program. It is a mechanism...    Read more

code  What is the difference between a regular expression and a pattern in Java?

In Java, a regular expression (regex) is a sequence of characters that defines a search pattern. It is used to match and manipulate text. In...    Read more

memory  What is the difference between a thread and a process in Java?

In Java, both threads and processes are ways to achieve concurrency and parallelism, but they are not the same thing.A process is an independent...    Read more

code  What is the purpose of the clone() method in Java?

The clone() method in Java is used to create a copy of an object. This method is defined in the java.lang.Object class and is available to all...    Read more

data_usage  What is the difference between a HashSet and a TreeSet in Java?

Both HashSet and TreeSet are two important classes in Java's Collection Framework that are used to store a collection of elements, but there are some...    Read more

memory  What is the difference between a thread and a process in Java?

In Java, both threads and processes are ways to achieve concurrency and parallelism, but they are not the same thing.A process is an independent...    Read more

code  What is the difference between an interface and an abstract class in Java?

In Java, both interfaces and abstract classes are used to implement abstraction, a key concept in Object-Oriented Programming (OOP). Abstraction is...    Read more

memory  How does Java handle memory management?

Java is an object-oriented programming language that is known for its automatic memory management. In Java, memory is allocated dynamically, and it...    Read more