setpage not private

src/app/admin-booklist/admin-booklist.component.ts

@@ -23,7 +23,7 @@ export class AdminBooklistComponent {
     return Math.floor((itemsCount - 1) / itemsPerPage) + 1;
   }
 
-  private setPage(pageNumber: number) {
+  setPage(pageNumber: number) {
     this.currentPage = pageNumber;
     this.displayedBooks = 
       this.books.slice((pageNumber-1)*this.ITEM_PER_PAGE, pageNumber*this.ITEM_PER_PAGE);