{"id":16544,"date":"2022-10-19T20:54:29","date_gmt":"2022-10-19T15:24:29","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-confused-about-what-to-write-in-my-code\/"},"modified":"2022-10-19T20:54:29","modified_gmt":"2022-10-19T15:24:29","slug":"solved-confused-about-what-to-write-in-my-code","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-confused-about-what-to-write-in-my-code\/","title":{"rendered":"[Solved] Confused about what to write in my code"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-46786416\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"46786416\" data-parentid=\"46785144\" data-score=\"-1\" data-position-on-page=\"1\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<pre><code>import java.util.ArrayList;\n\npublic class Worksheet {\n    private ArrayList&lt;DataEntry&gt; data;\n    private String title;\n\n    \/**\n     * create a new worksheet with given title\n     *\n     * @param title\n     *\/\n    public Worksheet(String title) {\n        data = new ArrayList&lt;DataEntry&gt;();\n        this.title = title;\n    }\n\n    \/**\n     * @return a shallow copy of the data\n     *\/\n    public ArrayList&lt;DataEntry&gt; getData() {\n        return data;\n    }\n\n    \/**\n     * @return title of the worksheet\n     *\/\n    public String getTitle() {\n        return title;\n    }\n\n    \/**\n     * @param row\n     * @param column\n     * @return value of item at given row and column (if any), null otherwise\n     *\/\n    public Double get(int row, int column) {\n\n        Double retVal = null;\n        for (DataEntry dataEntry : data) {\n            if (dataEntry.getColumn() == column &amp;&amp; dataEntry.getRow() == row) {\n                retVal = dataEntry.getValue();\n            }\n        }\n        return retVal;\n    }\n\n    \/**\n     * set the value of DataEntry object at given row and column to given value\n     * &lt;p&gt;\n     * if a DataEntry object for given row and column already exists, overwrite the current value\n     * if a DataEntry object for given row and column doesn't exist, add a new DataEntry object\n     * with given row, column, value to the list.\n     *\n     * @param row\n     * @param column\n     * @param val\n     *\/\n    public void set(int row, int column, double val) {\n        boolean isNew = true;\n        for (DataEntry dataEntry : data) {\n            if (dataEntry.getColumn() == column &amp;&amp; dataEntry.getRow() == row) {\n                dataEntry.setValue(val);\n                isNew = false;\n            }\n        }\n        if (isNew) {\n            DataEntry newData = new DataEntry();\n            newData.setColumn(column);\n            newData.setRow(row);\n            newData.setValue(val);\n            data.add(newData);\n\n        }\n\n    }\n\n    \/**\n     * @param row\n     * @param column\n     * @return index of DataEntry object in list data with given row and column\n     * return -1 if no such DataEntry object found\n     *\/\n    public int indexOf(int row, int column) {\n        Double value = this.get(row, column);\n        if (value != null) {\n            for (DataEntry dataEntry : data) {\n                if (dataEntry.getColumn() == column &amp;&amp; dataEntry.getRow() == row) {\n                    return data.indexOf(dataEntry);\n                }\n            }\n        }\n        return -1;\n    }\n}\n<\/code><\/pre>\n<p>this should work for you<\/p>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\"><\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved Confused about what to write in my code <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] import java.util.ArrayList; public class Worksheet { private ArrayList&lt;DataEntry&gt; data; private String title; \/** * create a new worksheet with given title * * @param title *\/ public Worksheet(String title) { data = new ArrayList&lt;DataEntry&gt;(); this.title = title; } \/** * @return a shallow copy of the data *\/ public ArrayList&lt;DataEntry&gt; getData() { return data; &#8230; <a title=\"[Solved] Confused about what to write in my code\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-confused-about-what-to-write-in-my-code\/\" aria-label=\"More on [Solved] Confused about what to write in my code\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[323],"class_list":["post-16544","post","type-post","status-publish","format-standard","hentry","category-solved","tag-java"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] Confused about what to write in my code - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-confused-about-what-to-write-in-my-code\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] Confused about what to write in my code - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] import java.util.ArrayList; public class Worksheet { private ArrayList&lt;DataEntry&gt; data; private String title; \/** * create a new worksheet with given title * * @param title *\/ public Worksheet(String title) { data = new ArrayList&lt;DataEntry&gt;(); this.title = title; } \/** * @return a shallow copy of the data *\/ public ArrayList&lt;DataEntry&gt; getData() { return data; ... 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public class Worksheet { private ArrayList&lt;DataEntry&gt; data; private String title; \/** * create a new worksheet with given title * * @param title *\/ public Worksheet(String title) { data = new ArrayList&lt;DataEntry&gt;(); this.title = title; } \/** * @return a shallow copy of the data *\/ public ArrayList&lt;DataEntry&gt; getData() { return data; ... 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