{"id":9743,"date":"2022-07-27T05:11:23","date_gmt":"2022-07-27T05:11:23","guid":{"rendered":"https:\/\/prwatech.in\/blog\/?p=9743"},"modified":"2023-07-20T04:35:52","modified_gmt":"2023-07-20T04:35:52","slug":"slice-in-go-language","status":"publish","type":"post","link":"https:\/\/prwatech.in\/blog\/go-lang\/slice-in-go-language\/","title":{"rendered":"Slice in Go Language"},"content":{"rendered":"<p>ex 1.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">package main\r\n\r\nimport \"fmt\"\r\n\r\nfunc main() {\r\n    var x [6]int = [6]int {1, 2, 3, 4, 5,7}\r\n    var a []int = x[1:3]\r\n    fmt.Println(a)\r\n    fmt.Println(len(a))\r\n    fmt.Println(cap(a))\r\n}\r\n<\/pre>\n<p>ex 2.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"golang\">package main\r\nimport \"fmt\"\r\n\r\nfunc main() {\r\n    var thing = []string{\"HI\", \"This Is Prwatech  \"}\r\n    fmt.Println(thing)\r\n    things = append(thing, \"!!!\")\r\n    fmt.Println(thing)\r\n}\r\n<\/pre>\n<p>ex 3.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"golang\">package main\r\n\r\nimport \"fmt\"\r\n\r\nfunc main() {\r\n    var things = []string{\"HI\", \" This  is a Prwatech Institute of Data Scientist \"}\r\n    fmt.Println(things)\r\n    subject = append(things, \"Analyst \")\r\n    fmt.Println(subject)\r\n    things = append(subject [1 : len(subject)-1])\r\n    fmt.Println(subject)\r\n}\r\n<\/pre>\n<p>ex 4.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"golang\">package main\r\nimport \"fmt\"\r\n\r\nfunc main() {\r\n    Names: = [4]string{\r\n        \"Python\", \"Machine Learning\", \"Deep Learning\", \"Java\",\r\n    }\r\n    fmt.Println(names)\r\n    a: = Names[0:2]\r\n    b: = Names[1:3]\r\n    fmt.Println(a, b)\r\n    b[0] = \"***\"\r\n    fmt.Println(a, b)\r\n    fmt.Println(Names)\r\n}\r\n<\/pre>\n<p>ex 5.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"golang\">package main\r\nimport \"fmt\"\r\nfunc main() {\r\n    k: = []int {2, 4, 3, 5, 6, 78}\r\n    fmt.Println(k)\r\n    m: = []bool {true, false, true, false, false, true}\r\n    fmt.Println(m)\r\n    t: = []struct {\r\n        i int\r\n        b bool\r\n    }{\r\n        {2, true}, \r\n{4, false},\r\n        {3, true},\r\n        {5, true},\r\n {6, false},\r\n        {78, true},\r\n    }\r\n    fmt.Println(t)\r\n}\r\n<\/pre>\n<p>ex 6.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"golang\">package main\r\nimport \"fmt\"\r\nfunc main() {\r\n    s: = []int{2, 3, 4, 5, 6, 7, 8, 9}\r\n    s = s[1:4]\r\n    fmt.Println(s)\r\n    s = s[:2]\r\n    fmt.Println(s)\r\n    s = s[1:]\r\n    fmt.Println(s)\r\n}\r\n<\/pre>\n<p>ex 7.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"golang\">package main\r\nimport \"fmt\"\r\nfunc main() {\r\n    s: = []int{2, 3, 4, 5, 6, 7, 11, 14}\r\n    PrintSlice(s)\r\n    s = s[1:4]\r\n    s = s[:0]\r\n    PrintSlice(s)\r\n    s = s[:4]\r\n    PrintSlice(s)\r\n    s = s[2:]\r\n    PrintSlice(s)\r\n}\r\nfunc PrintSlice(s []int) {\r\n    fmt.Printf(\"len=%d cap=%d %v \\n\", len(s), cap(s), s)\r\n}\r\n<\/pre>\n<p><strong><u>Golang Maps <\/u><\/strong><\/p>\n<p>ex 1.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"golang\">package main\r\nimport \"fmt\"\r\nfunc main() {\r\n    \/\/ Creating and initializing an empty map\r\n    var map_1 map[int]int\r\n    \/\/ Checking if the map is nil or not\r\n    if map_1 == nil \r\n        fmt.Println(\"True\")\r\n    } else {\r\n        fmt.Println(\"False\")\r\n    }\r\n\/\/ Creating and initializing a map\r\n    map_2: = map[int]string {\r\n        90: \"Math\",\r\n        91: \"Statistic\",\r\n        92: \"Python\",\r\n        93: \"SQL\",\r\n        94: \"Machine Learning \",\r\n    }\r\n    fmt.Println(\"Map-2: \", map_2)\r\n}\r\n<\/pre>\n<p>ex 2.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"golang\">package main\r\nimport \"fmt\"\r\n\/\/ Main function\r\nfunc main() {\r\n\/\/ Creating and initializing a map\r\n    M_a_p: = map[int]string {\r\n        90: \"Math\",\r\n        91: \"Statistic\",\r\n        92: \"Python\",\r\n        93: \"SQL\",\r\n        94: \" Machine Learning \",\r\n    }\r\n    \/\/ Iterating map using for rang loop\r\n    for id, pet := range m_a_p {\r\n        fmt.Println(id, pet)\r\n    }\r\n}\r\n<\/pre>\n<ol start=\"2\">\n<li><strong> Using the Make Function<\/strong><\/li>\n<\/ol>\n<p>ex1.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"golang\">package main\r\n\r\nimport \"fmt\"\r\n\r\nfunc main() {\r\n\r\n    \/\/ Creating a map\r\n    \/\/ Using make() function\r\n    var My_course = make(map[float64]string)\r\n    fmt.Println(My_map)\r\n\r\n    My_course[1.3] = \"Data Scientist\"\r\n    My_course[1.5] = \"Data Analyst\"\r\n    fmt.Println(My_course)\r\n}\r\n<\/pre>\n<p>ex2.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">package main\r\n\r\nimport \"fmt\"\r\n\r\nfunc main() {\r\n\r\n    Sub: = map[int]string {\r\n\r\n        90: \"Math\",\r\n        91: \"Statistic\",\r\n        92: \"Python\",\r\n        93: \"SQL\",\r\n        94: \" Machine Learning \",\r\n    }\r\n\r\n    for id, pess: = range Sub{\r\n\r\n        fmt.Println(id, pass)\r\n    }\r\n}\r\n<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ex 1. package main import &#8220;fmt&#8221; func main() { var x [6]int = [6]int {1, 2, 3, 4, 5,7} var a []int = x[1:3] fmt.Println(a) fmt.Println(len(a)) fmt.Println(cap(a)) } ex 2. package main import &#8220;fmt&#8221; func main() { var thing = []string{&#8220;HI&#8221;, &#8220;This Is Prwatech &#8220;} fmt.Println(thing) things = append(thing, &#8220;!!!&#8221;) fmt.Println(thing) } ex 3. package [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[666,1707],"tags":[812,808],"class_list":["post-9743","post","type-post","status-publish","format-standard","hentry","category-go-lang","category-golang-modules","tag-go-lang-tutorial","tag-go-language"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Slice in Go Language - Prwatech<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Slice in Go Language - Prwatech\" \/>\n<meta property=\"og:description\" content=\"ex 1. package main import &quot;fmt&quot; func main() { var x 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