Shulou(Shulou.com)06/01 Report--

This article introduces the relevant knowledge of "how to input an array through the keyboard by Java". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

How to enter an array through the keyboard

Sometimes when writing Jave, you need to enter an array on the keyboard. It is only after reading several blog posts that this rookie knows how to enter keyboard input in his own program and go directly to the code:

The first method: (does not limit the length of the input array) System.out.println ("Please enter several numbers separated by commas:"); Scanner sc = new Scanner (System.in); String str = sc.next (). ToString (); / / define a character str to String [] arr = str.split (",") after the input number; / / string array, store commas "," int [] b = new int [arr.length] / / int array, which is the length of the string array and is used to control the array length for (int j = 0; j)

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