Null in int array java

In each iteration, we are assigning 0 to each index of the array that makes all the elements of the array initialize to 0. Check this code block as a sample:. Initialize Array Elements to Zero in Java By default in Java, data types like int, short, byte, and long arrays are initialized with 0.

See the example below: import java. DelftStack is a collective effort contributed by software geeks like you. If you like the article and would like to contribute to DelftStack by writing paid articles, you can check the write for us page.

Connect and share knowledge within a single location that is structured and easy to search. No, the first one makes each element of the array null, the length of the array will still be array.

As a matter of fact, for the first snippet of code to run correctly, the array variable should be declared and initialized like this for example. Once you have this, in the first example what you are doing is assigning a null value to each of the array[i] elements.

So you should have something like this. Now you should have. Neither of them will work! Stack Overflow for Teams — Collaborate and share knowledge with a private group.

Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Asked 11 years, 11 months ago. Active 6 years, 11 months ago. In the following example, we will initialize an array of user defined objects of type Color with null objects. And then use For loop with an If Else statement to check if all the elements are null. In this example, we will combine all the above scenarios and define a function that checks if the array is empty.

You can change the type of parameter in the isArrayEmpty function to suit your requirements. We have defined the function to check if a string array is empty. In this Java Tutorial , we learned how to check if an array is empty in Java. We have defined what an empty array is, and based on that definition, we have given ways to check. Based on your definition of an empty array, you can make the required changes to the conditions that we have to check for an empty array.

Java Array. Java Array Print. Java Array Initialize. Java Array of Integers. Java Array of Strings. Java Array of Objects.