Java object is a top level, predefined JavaScript object used to access java classes. Javaarray object is an instance of a java array.

The valueof method returns the primitive value of an array or the primitive value of its elements.

The unshift method is used to add one or more elements to the beginning of an array and return the length of the array.

The tostring method is used to convert an array and its elements separated by commas to a string.

The toSource method returns a string which represent the source code of the array.

The sort method is used to sort the elements of an array.

The splice method is used to remove old elements and add new elements to an array. It changes the content of the array.

The slice method is used to extract a section of an array. The method returns a new array and it does not change the original array.

The shift method is used to remove first element from an array. This method returns the removed element and changes the length of the array.

The reverse method is used to reverse the order of the elements in an array, i.e. first array element becomes the last and the last becomes the first.