You can also return an array from a method. Double[]. But the beauty of Java lies in the fact that we can do desired things with some smart workarounds. completes all the statements in the method, reaches a return statement, or; throws an exception (covered later), whichever occurs first. Autoboxing is a meager implementation of generic types. You can pass a two dimensional array to a method just as you pass a one dimensional array. The toArray() method returns an array of Objects (Object[]) that can't even be cast explicitly to a double[]. You have to pass an 'exemplar' to the toArray() method and it has to be an array of some type of objects, e.g. The example below shows 2 methods. In the above program, we returned a two-dimensional array from a method. In both cases, you declared it as "int", but it is [a reference to] an array… You declare a method's return type in its method declaration. A method returns to the code that invoked it when it: Completes all the statements in the method; Reaches a return statement; or Throws an exception (covered later) Whichever occurs first between the last two. The third method is to use the function java.util.Collections.reverse(List list) method.This method reverses the elements in the specified list. Returning an Array from a Method An array can be returned from a method just like any other data type. A reference to an array can be returned from a method, look at the following program : /** * This program demonstrates how a reference to an * array can be returned from a method. Then return the array. When we pass an array to a method as an argument, actually the address of the array in the memory is passed (reference). Two things must be kept in mind while returning an array from a method: (i).return type of method must be array of appropriate type. Therefore, any changes to this array in the method will affect the array. As we saw it is very simple to pass or return multidimensional array to/from the method. Returning Arrays in Java – Umair Mubeen Jan 13 at 6:31 Create an int[] the length of the ArrayList then put each element of the ArrayList into the new array. In this article, we are going to learn-how to return an array from a method in Java. Hence, we convert the array into a list first by using java.util.Arrays.asList(array) and then reverse the list. 4. compareUnsigned(arr 1, arr 2): compareUnsigned method would compare two arrays that are passed as parameters in a lexicographical style and treating them as unsigned.This method of Integer class would compare two integer values treating them as unsigned and then returning … That’s all for this article. A method returns to the code that invoked it when it. So returning multiple values from a method is theoretically not possible in Java. Within the body of the method, you use the return statement to return the value. 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