Oct 13, 2012 · 3) If (hypothetically) you did want your "main" method to return something, and you altered the declaration to allow that, then you still would need to use a return statement to tell it …

Nov 25, 2019 · You still need to create the array, even if you do not assign it to a variable. Try this: public int[] getData() { return new int[] {a,b,c,d}; } Your code sample did not work because …

Aug 24, 2012 · Well, you can only actually return an array of references to objects - no expressions in Java actually evaluate to objects themselves. Having said that, returning an …

In contrast, Component.getLocation(), Component.getSize() and Component.getBounds() return copies, because Point, Dimension and Rectangle are mutable. The general design pattern is …

Feb 24, 2017 · public int[] method() { int z[] = {1,2,3,5}; return z; } The above method does not return an array par se, instead it returns a reference to the array. In the calling function you …

Sep 11, 2015 · Issue with your code: you can not define method inside another method. If you want to return an array that contains the odd index elements from the original array. you …

In other words, this method will return an array of type Object. There is no way to cast an Object[] to an Integer[] because they are not the same type. If you want your method to be able to …

You can return empty array by following two ways: If you want to return array of int then. Using {}: int arr[] = {}; return arr; Using new int[0]: int arr[] = new int[0]; return arr; Same way you can …

if someone would like to know how to return String[] array: java code. private native String[] data(); native export. JNIEXPORT jobjectArray JNICALL Java_example_data() (JNIEnv *, jobject); …

I'm aware that arrays are objects and in java objects are transfered by reference which could cause aliasing so objects should be returned with in this form to not cause aliasing: return new …