Hello, the following code is a simple program that belongs to a Java program. You can check it out and if you have any question(s), then feel free to ask in comments!
Good luck!
class HelloWorld {
 public static void main(String[] args) {
 
 //Let define our variables to initialize the 2d array
 int raw=2;
 int column=3;
 
 //int 2d array can be defined as;
 int[][] array1 = new int[raw][column];
 
 //string 2d array can be defined as;
 String[][] array2 = new String[raw][column];
 
 //Assign some values.
 array1[0][1]=25;
 array2[0][1]="Hello world!";
 
 //Printing section.
 System.out.println(array1[0][1]);
 System.out.println(array2[0][1]);
 }
}