How to create a file on the hard disk by using File class object?

Correct Answer: to access non-public data outside class getter methods be defined but we cannot define a method inside interface we can declared a method inside interface

Correct Answer: bcoz interface does not contains any initializers and constructors to initialize its data members

Correct Answer: Interface data is static data why bcoz interface supports multiple inheritance if inteface data is non-static then there is chance for replication of the data (bcoz of replication of data ambiguity problem occurs )

Correct Answer: abstract method is a method declared with abstract modifier but with out body

Correct Answer: Outside the package if any other class other than JVM calls the finalize method our class then it is not allowed

Correct Answer: To create directory on the HD we use mkDir() method: boolean mkDir(); This method returns true if the directory is created on HD This method returns false if the directory is already existing on HD

Correct Answer: boolean isFile();

Correct Answer: boolean isDirectory();

Correct Answer: long lastModified(); we can give this return value to a date object and we can get data to be displayed

Correct Answer: File[] listFiles(); this method returns list of files stored in a directory