public Range(int startRow, int endRow, int startColumn, int endColumn) {
this.startRow = startRow;
this.endRow = endRow;
this.startColumn = startColumn;
this.endColumn = endColumn;
public Range(int startRow, int endRow, int startColumn, int endColumn) {
this.startRow = startRow;
this.endRow = endRow;
this.startColumn = startColumn;
this.endColumn = endColumn;