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//Simple 2D array initialization and print example
//Click run from the banner above
public class Main{
//below is the method I will use to initialize a 2D array and print it to the console using a for...loop
public String[][] printArr(){
//declaring a 2D array
String[][] stringArr = new String[10][10];
//using nested for loop to initialize 2D array
//outer loop loops through rows
for(int row = 0; row < stringArr.length; row++){
//at each index of row in the outer loop
//the inner loop loops completely through all column indexes
for(int column = 0; column < stringArr[row].length; column++){
//using row and column index positions to initialize each array index with "* "
//asterick and one space
stringArr[row][column] = "* ";
}
}
//using the same technique about to print the elements of the array
for(int row = 0; row < stringArr.length; row++){
for(int column = 0; column < stringArr[row].length; column++){
//notice the use of the print(); statement ...doesn't not use ln on the end
//this prints all row elements of each row on the same line
System.out.print(stringArr[row][column]);
}
//notice this println(); statement is outside of the inner loop
//allowing each row to be printed on a new line
System.out.println();
}
return stringArr;
}
public static void main(String[] args){
Main main = new Main();
main.printArr();
}
}
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