gets primary and secondary array

javadiagonals.java

import java.util.Arrays;

class Main {
    
    private static int[][] twoDInput = {
        {1,2,3},
        {4,5,6},
        {7,8,9}
    };
    public static void main(String[] args) {
        getPrimaryDiagonals(twoDInput);
    }
    
    public static void getPrimaryDiagonals(int[][] twoD){
        
        int[] primaryDiagonalValues = new int[3];
        int[] secondaryDiagonalValues = new int[3];
        
        for(int i = 0;i<twoD.length;i++){
            for(int j = 0;j<twoD[i].length;j++){
                if(i == 0){
                    primaryDiagonalValues[i] = twoD[i][0];
                    secondaryDiagonalValues[i] = twoD[i][2];
                }
                
                if(i == 1){
                    primaryDiagonalValues[i] = twoD[i][1];
                    secondaryDiagonalValues[i] = twoD[i][1];
                }
                
                if(i == 2){
                    primaryDiagonalValues[i] = twoD[i][2];
                    secondaryDiagonalValues[i] = twoD[i][0];
                }
            }
            
        }
        
        logit("Primary Diagonals: "+ Arrays.toString(primaryDiagonalValues));
        logit("Secondary Diagonals: "+ Arrays.toString(secondaryDiagonalValues));
    }
    
    public static void logit(String msg){
        System.out.println(msg);
    }
    
    public static void logit(String[] msg){
        System.out.println(msg);
    }
}