In Java, all classes (built-in or user-defined) are (implicitly) subclasses of Object . Using an array of Object in the List class allows any kind of Object (an instance of any class) to be stored in the list. However, primitive types (int, char, etc) cannot be stored in the list.
Read moreWhat are the built in packages in Java?
There are many built-in packages such as java, lang, awt, javax, swing, net, io, util, sql etc.
Read moreWhat are the built in packages in Java?
There are many built-in packages such as java, lang, awt, javax, swing, net, io, util, sql etc.
Read moreWhat is built in in Java?
Built in functions in java are methods that are present in different API of JDK . For example cos(double a), exp(double a) etc are built in function of java present in java. lang. Math class.
Read moreWhat is built in in Java?
Built in functions in java are methods that are present in different API of JDK . For example cos(double a), exp(double a) etc are built in function of java present in java. lang. Math class.
Read moreHow many inbuilt classes are there in Java?
There are 5,000 or so classes built-in to Java, and programmers have written hundreds of thousands if not millions of their own.
Read moreHow many inbuilt classes are there in Java?
There are 5,000 or so classes built-in to Java, and programmers have written hundreds of thousands if not millions of their own.
Read more