How to return array in java method

Java method returns an array: Add int[] before the method to return a one-dimensional integer array. If you add int[][] before the method, you can return a two-dimensional integer array.

Java is an object-oriented programming language that not only absorbs the various advantages of the C language, but also abandons the incomprehensible multiple inheritance in C , pointers and other concepts, so the Java language has two characteristics: powerful and simple to use. As a representative of static object-oriented programming languages, Java language perfectly implements object-oriented theory and allows programmers to perform complex programming with an elegant way of thinking.

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Java methods that return arrays

#If the method returns an integer, you must add the int keyword in front of the method when declaring it. On the contrary, if a one-dimensional integer array is returned, int[] must be added in front of the method. If a two-dimensional integer array is returned, add int[][], and so on.

public class JavaTest1 { public static void main(String[] agrs) { int a[][]={{2,1,3,6,9},{27,18,34}}; int b[][]; System.out.println("The array a is"); showArray(a); b=addArray(a); System.out.println("The array b is"); showArray(b); } public static int[][] addArray(int[][] a) { for(int i=0;i
        

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