#java

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

code What is the difference between static and non-static methods in Java?

In Java, methods can be either static or non-static depending on how they are declared. The main difference between these two types of methods is... 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

code What is the difference between the super() and this() keywords in Java?

The super() and this() keywords are used in Java to refer to the parent class and the current instance of the class, respectively. While both of... 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

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 purpose of the main method in Java?

The main method is a crucial part of a Java program. It is the entry point of any Java application and serves as the starting point of program... Read more

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

code What is the purpose of the assert keyword in Java?

The assert keyword in Java is used as a debugging aid to check assumptions made by the program. It is typically used to check for conditions that... Read more