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What does arr mean in Java?

little bottle

May 20, 2019 pm 05:57 PM

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Java will declare many objects in the object-oriented process, but everyone generally tries to use declaration methods that everyone can understand. For example, the editor is about to talk about arr. At first glance, you may not know what it is. It means, but in fact, people who have programmed for a long time will naturally understand it. Let’s learn about it with me.

What does arr mean in Java?

#In Java, arr generally means an array.

Common array declaration codes in Java:

String [] arr;
int arr1[];
String[] array=new String[5];
int score[]=new int[3];

Everything in Java is an object, and Array is also an object.

No matter what type of Array you use, the Array name itself is actually a reference, pointing to an actual object in the heap.

This object can be automatically generated through the "Array initialization syntax" or manually generated using the new expression.

Related learning recommendations: java basic tutorial

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