50.Create The Static Data Set Method

How to create static data in Java?

• Declare variables with the static keyword.
• Use static initialization blocks.
• Create static methods to return data.
• Store data in static collections.

What is static vs static method?

• No difference, both refer to the same concept.
• Static refers to a class member, static method is a member that can be called without an instance.
• Static refers to a method, static method is a method that can only be called within the class.
• Static refers to non-changing data, static method is a method that modifies static variables.

Where are static methods stored in Java?

• Heap memory.
• Stack memory.
• Method area or "PermGen" space.
• Static methods are not stored in memory.

When to set method as static Java?

• When the method does not require any instance-specific data.
• When the method needs to be accessible from any object of the class.
• When the method has a return type other than void.
• When the method is called frequently within the class.

How to create static class in Java example?

• Declare the class with the static keyword.
• Use the Singleton design pattern.
• Make all methods and variables of the class static.
• Static class creation is not possible in Java.

What is a static dataset?

• A dataset that contains static variables.
• A collection of data with fixed values.
• A dataset used in static methods.
• Static dataset is not a standard term in Java.

How to create a method in Java?

• Declare the method using the method name and return type.
• Specify the method parameters within parentheses.
• Define the method body within curly braces.
• All of the above.

Which methods are static methods?

• Methods that can only be called within the same class.
• Methods that do not require any instance of the class.
• Methods that modify static variables.
• All methods in Java are static methods.

What are static types in Java?

• Static types refer to non-changing data types.
• Static types are types used in static methods.
• Static types are types that are defined with the static keyword.
• There is no specific concept of "static types" in Java.

Why create a static class?

• To group related static methods and variables together.
• To prevent instantiation of the class.
• To improve performance by avoiding object creation.
• Static classes cannot be created in Java.