show post content on template wordpress

PHP

<?php
    // TO SHOW THE POST CONTENTS
    ?>                        
        <?php
        $my_query = new WP_Query( 'cat=1' ); // I used a category id 1 as an example
        ?>
        <?php if ( $my_query->have_posts() ) : ?>
        <div id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
        <?php while ($my_query->have_posts()) : $my_query->the_post(); ?>

            <h1 class="entry-title"><?php the_title(); ?></h1> <!-- Queried Post Title -->
            <div class="entry-content">
                <?php the_excerpt(); ?> <!-- Queried Post Excerpts -->
            </div><!-- .entry-content -->

        <?php endwhile; //resetting the post loop ?>

        </div><!-- #post-<?php the_ID(); ?> -->

        <?php
        wp_reset_postdata(); //resetting the post query
        endif;
        ?>