A method returns to the code that invoked it when it. So returning multiple values from a method is theoretically not possible in Java. 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. Double[]. Returning an Array from a Method An array can be returned from a method just like any other data type. Make sure to declare a method’s return type in its method declaration. Please share the article if you like it. 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. As we saw it is very simple to pass or return multidimensional array to/from the method. In the above program, we returned a two-dimensional array from a method. The third method is to use the function java.util.Collections.reverse(List list) method.This method reverses the elements in the specified list. That’s all for this article. The toArray() method returns an array of Objects (Object[]) that can't even be cast explicitly to a double[]. When we pass an array to a method as an argument, actually the address of the array in the memory is passed (reference). 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 … Then return the array. In this article, we are going to learn-how to return an array from a method in Java. Autoboxing is a meager implementation of generic types. completes all the statements in the method, reaches a return statement, or; throws an exception (covered later), whichever occurs first. 7.5 Returning Array from Methods. Apart from integer, float double etc types that a method can return, a method can also return arrays. You can also return an array from a method. The example below shows 2 methods. 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. As per Java Language Specification, the methods in Java can return only one value at a time. Therefore, any changes to this array in the method will affect the array. Within the body of the method, you use the return statement to return the value. Hence, we convert the array into a list first by using java.util.Arrays.asList(array) and then reverse the list. But the beauty of Java lies in the fact that we can do desired things with some smart workarounds. Your problem isn't with the "return", it's with the earlier declaration of variable "a" and the declaration of the method. You declare a method's return type in its method declaration. 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