multidimentional array :-import java.util.Scanner;   public class GFGTestCase {   public static void main(    String[] args)   {    // Scanner class to take    // values from console    Scanner scanner = new Scanner(System.in);    // totalTestCases = total    // number of TestCases    // eachTestCaseValues =    // values in each TestCase as    // an Array values    INT totalTestCases, eachTestCaseValues;    // takes total number of    // TestCases as integer number    totalTestCases = scanner.nextInt();    // An array is formed as row    // values for total testCases    int[][] arrayMain = new int[totalTestCases][];    // for loop to take input of    // values in each TestCase    for (int i = 0; i < arrayMain.length; i++) {     eachTestCaseValues = scanner.nextInt();     arrayMain[i] = new int[eachTestCaseValues];     for (int j = 0; j < arrayMain[i].length; j++) {      arrayMain[i][j] = scanner.nextInt();     }    } // All input entry is done.    // Start executing output    // according to condition provided    for (int i = 0; i < arrayMain.length; i++) {     // Initialize total number of     // even & ODD numbers to zero     int nEvenNumbers = 0, nOddNumbers = 0;     // prints TestCase number with     // total number of its ARGUMENTS     System.out.println(      "TestCase " + i + " with "    + arrayMain[i].length + " values:");     for (int j = 0; j < arrayMain[i].length; j++) {      System.out.print(arrayMain[i][j] + " ");      // even & odd counter updated as      // eligible number is found      if (arrayMain[i][j] % 2 == 0) {       nEvenNumbers++;      }      else {       nOddNumbers++;      }     }     System.out.println();     // Prints total numbers of     // even & odd     System.out.println(      "Total Even numbers: " + nEvenNumbers      + ", Total Odd numbers: " + nOddNumbers);    }   }  }  Explanation: