{"id":8103,"date":"2022-09-11T23:41:27","date_gmt":"2022-09-11T18:11:27","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-calculate-the-length-of-line-using-tostring\/"},"modified":"2022-09-11T23:41:27","modified_gmt":"2022-09-11T18:11:27","slug":"solved-calculate-the-length-of-line-using-tostring","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-calculate-the-length-of-line-using-tostring\/","title":{"rendered":"[Solved] calculate the length of line using toString"},"content":{"rendered":"

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The toString()<\/code> method of the Point<\/code> class should look like:<\/p>\n

public String toString() {\n   return \"(\" + x + \",\" + y + \")\";\n}\n<\/code><\/pre>\n
The toString()<\/code> method of the Line<\/code> class should look like (supposing you have two members of type Point<\/code> in the class Line<\/code>):<\/p>\n
public String toString() {\n   return \"(\" + point_A.getX() + \",\" + point_A.getY() + \")->\" +\n          \"(\" + point_B.getX() + \",\" + point_B.getY() + \");\n}\n<\/code><\/pre>\n
Mathematically, if you have two points: A(x1, y1) and B(x2, y2), the length of the line AB will be calculated with this formula:<\/p>\n
AB * AB = (x2 - x1)*(x2 - x1) + (y2 - y1)*(y2 - y1)\n<\/code><\/pre>\n
Thus, you can do the following thin in your code:<\/p>\n
Double length = Math.sqrt((x2 - x1)*(x2 - x1) + (y2 - y1)*(y2 - y1));\nSystem.out.println(length);\n<\/code><\/pre>\n<\/p><\/div>\n
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            0<\/span> <\/p><\/div>\n<\/div>\n
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solved calculate the length of line using toString <\/p>\n","protected":false},"excerpt":{"rendered":"
[ad_1] The toString() method of the Point class should look like: public String toString() { return “(” + x + “,” + y + “)”; } The toString() method of the Line class should look like (supposing you have two members of type Point in the class Line): public String toString() { return “(” + … 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":[323,430,2217],"class_list":["post-8103","post","type-post","status-publish","format-standard","hentry","category-solved","tag-java","tag-object","tag-tostring"],"yoast_head":"\n[Solved] calculate the length of line using toString - 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-calculate-the-length-of-line-using-tostring\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] calculate the length of line using toString - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] The toString() method of the Point class should look like: public String toString() { return "(" + x + "," + y + ")"; } The toString() method of the Line class should look like (supposing you have two members of type Point in the class Line): public String toString() { return "(" + ... 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