ColumnSumms.java: This program calculates the sum of each column in a 2D array. RowSums.java: This program calculates the sum of each row in a 2D array. This project is open-source. Permission is ...

int sumEven = Integer.MIN_VALUE; // valriable decalration to store sum of even values, initially assign minimum value if(si == 0){ // check point for start index is 0 ...