JAVA array, java Array

JAVA array, java Array

I. Declare an array:

Public class Test {public static void main (String [] args) {int [] arr = new int [5]; // declare an array and assign a maximum of five values, the subscript is 0-4 arr [1] = 99; // assign arr [2] = 88 to the subscript 1 of the array; // assign int I = arr [1] to the subscript 2 of the array // Reference System of the value under the array. out. println (I );}}

2. What array types are available?

Any data type can be used as an array.

Serial number	Data Type	Array type
1	Int	Int []
2	Char	Char []
3	Double	Double []
4	String	String []
5		Pipeline []
6		Random []

 

 

 

 

 

 

 

3. Using Arrays:

Public class Test {public static void main (String [] args) {// The first int arr1 []; arr1 = new int [5]; arr1 [0] = 10; // The second int [] arr2 = new int [5]; arr2 [0] = 20; // The third int [] arr3 = {30, 40, 50 };}}