83 lines
18 KiB
JavaScript
83 lines
18 KiB
JavaScript
"use strict";(self.webpackChunkdocs=self.webpackChunkdocs||[]).push([["9826"],{6183:function(e,t,n){n.r(t),n.d(t,{default:()=>p,frontMatter:()=>o,javaConfig:()=>c,assets:()=>d,metadata:()=>i,toc:()=>h,contentTitle:()=>l});var i=JSON.parse('{"id":"languages/java","title":"Java","description":"Java is a high-level, general-purpose, memory-safe, object-oriented programming language.","source":"@site/docs/languages/java.mdx","sourceDirName":"languages","slug":"/languages/java","permalink":"/docs/languages/java","draft":false,"unlisted":false,"editUrl":"https://github.com/live-codes/livecodes/tree/develop/docs/docs/languages/java.mdx","tags":[],"version":"current","frontMatter":{},"sidebar":"docsSidebar","previous":{"title":"Imba","permalink":"/docs/languages/imba"},"next":{"title":"JavaScript","permalink":"/docs/languages/javascript"}}'),r=n("5893"),s=n("65"),a=n("3365");let o={},l="Java",d={},c={activeEditor:"script",script:{language:"java",content:`public class BinarySearchSnippet {
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/**
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* Search an item with binarySearch algorithm.
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*
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* @param arr sorted array to search
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* @param item an item to search
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* @return if item is found, return the index position of the array item otherwise return -1
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*/
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public static int binarySearch(int[] arr, int left, int right, int item) {
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if (right >= left) {
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int mid = left + (right - left) / 2;
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if (arr[mid] == item) {
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return mid;
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}
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if (arr[mid] > item) {
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return binarySearch(arr, left, mid - 1, item);
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}
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return binarySearch(arr, mid + 1, right, item);
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}
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return -1;
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}
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public static void main(String[] args) {
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int[] sortedArray = {1, 3, 5, 7, 9, 11, 13, 15};
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int itemToSearch = 7;
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int result = binarySearch(sortedArray, 0, sortedArray.length - 1, itemToSearch);
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if (result == -1) {
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System.out.println("Result: Item not found in the array.");
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} else {
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System.out.println("Result: Item found at index -> " + result);
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}
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}
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}
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`},mode:"simple",editor:"auto",tools:{status:"full"}},h=[{value:"Usage",id:"usage",level:2},{value:"Communication with JavaScript",id:"communication-with-javascript",level:3},{value:"Language Info",id:"language-info",level:2},{value:"Name",id:"name",level:3},{value:"Extension",id:"extension",level:3},{value:"Editor",id:"editor",level:3},{value:"Compiler",id:"compiler",level:2},{value:"Version",id:"version",level:3},{value:"Code Formatting",id:"code-formatting",level:2},{value:"Live Reload",id:"live-reload",level:2},{value:"Starter Template",id:"starter-template",level:2},{value:"Links",id:"links",level:2}];function u(e){let t={a:"a",code:"code",h1:"h1",h2:"h2",h3:"h3",header:"header",li:"li",p:"p",ul:"ul",...(0,s.a)(),...e.components};return(0,r.jsxs)(r.Fragment,{children:[(0,r.jsx)(t.header,{children:(0,r.jsx)(t.h1,{id:"java",children:"Java"})}),"\n",(0,r.jsx)(t.p,{children:"Java is a high-level, general-purpose, memory-safe, object-oriented programming language."}),"\n",(0,r.jsxs)(t.p,{children:["In LiveCodes, Java runs in the browser using ",(0,r.jsx)(t.a,{href:"https://github.com/plasma-umass/doppio",children:"DoppioJVM"}),"."]}),"\n",(0,r.jsx)(t.h2,{id:"usage",children:"Usage"}),"\n",(0,r.jsx)(t.p,{children:"Demo:"}),"\n","\n","\n",(0,r.jsx)(a.Z,{config:c}),"\n",(0,r.jsx)(t.h3,{id:"communication-with-javascript",children:"Communication with JavaScript"}),"\n",(0,r.jsxs)(t.p,{children:["The Java code runs in the context of the ",(0,r.jsx)(t.a,{href:"/docs/features/result",children:"result page"}),".\nA few helper properties and methods are available in the browser global ",(0,r.jsx)(t.code,{children:"livecodes.java"})," object:"]}),"\n",(0,r.jsxs)(t.ul,{children:["\n",(0,r.jsxs)(t.li,{children:[(0,r.jsx)(t.code,{children:"livecodes.java.input"}),": the initial standard input that is passed to the Java code."]}),"\n",(0,r.jsxs)(t.li,{children:[(0,r.jsx)(t.code,{children:"livecodes.java.loaded"}),": A promise that resolves when the Java environment is loaded. 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The promise resolves with an object containing the ",(0,r.jsx)(t.code,{children:"input"}),", ",(0,r.jsx)(t.code,{children:"output"}),", ",(0,r.jsx)(t.code,{children:"error"}),", and ",(0,r.jsx)(t.code,{children:"exitCode"})," properties."]}),"\n"]}),"\n",(0,r.jsx)(t.p,{children:"Example:"}),"\n",(0,r.jsx)(a.Z,{template:"java",params:{activeEditor:"markup"},height:"80vh"}),"\n",(0,r.jsx)(t.h2,{id:"language-info",children:"Language Info"}),"\n",(0,r.jsx)(t.h3,{id:"name",children:"Name"}),"\n",(0,r.jsx)(t.p,{children:(0,r.jsx)(t.code,{children:"java"})}),"\n",(0,r.jsx)(t.h3,{id:"extension",children:"Extension"}),"\n",(0,r.jsx)(t.p,{children:(0,r.jsx)(t.code,{children:".java"})}),"\n",(0,r.jsx)(t.h3,{id:"editor",children:"Editor"}),"\n",(0,r.jsx)(t.p,{children:(0,r.jsx)(t.code,{children:"script"})}),"\n",(0,r.jsx)(t.h2,{id:"compiler",children:"Compiler"}),"\n",(0,r.jsx)(t.p,{children:(0,r.jsx)(t.a,{href:"https://github.com/plasma-umass/doppio",children:"DoppioJVM"})}),"\n",(0,r.jsx)(t.h3,{id:"version",children:"Version"}),"\n",(0,r.jsxs)(t.p,{children:[(0,r.jsx)(t.code,{children:"DoppioJVM"}),": v0.5.0, which runs Java 8 JDK."]}),"\n",(0,r.jsx)(t.h2,{id:"code-formatting",children:"Code Formatting"}),"\n",(0,r.jsxs)(t.p,{children:["Using ",(0,r.jsx)(t.a,{href:"https://prettier.io",children:"Prettier"})," with the ",(0,r.jsx)(t.a,{href:"https://github.com/jhipster/prettier-java",children:"Prettier Java plugin"}),"."]}),"\n",(0,r.jsx)(t.h2,{id:"live-reload",children:"Live Reload"}),"\n",(0,r.jsx)(t.p,{children:"By default, new code changes are sent to the result page for re-evaluation without a full page reload, to avoid the need to reload the Java environment."}),"\n",(0,r.jsxs)(t.p,{children:["This behavior can be disabled by adding the code comment ",(0,r.jsx)(t.code,{children:"// __livecodes_reload__"})," to the code, which will force a full page reload.\nThis comment can be added in the ",(0,r.jsxs)(t.a,{href:"/docs/configuration/configuration-object#markup",children:[(0,r.jsx)(t.code,{children:"hiddenContent"})," property of the editor"]})," for embedded playgrounds."]}),"\n",(0,r.jsx)(t.h2,{id:"starter-template",children:"Starter Template"}),"\n",(0,r.jsx)(t.p,{children:(0,r.jsx)(t.a,{href:"https://livecodes.io/?template=java",children:"https://livecodes.io/?template=java"})}),"\n",(0,r.jsx)(t.h2,{id:"links",children:"Links"}),"\n",(0,r.jsxs)(t.ul,{children:["\n",(0,r.jsx)(t.li,{children:(0,r.jsx)(t.a,{href:"https://www.java.com/",children:"Java"})}),"\n",(0,r.jsx)(t.li,{children:(0,r.jsx)(t.a,{href:"https://github.com/plasma-umass/doppio",children:"DoppioJVM"})}),"\n"]})]})}function p(e={}){let{wrapper:t}={...(0,s.a)(),...e.components};return t?(0,r.jsx)(t,{...e,children:(0,r.jsx)(u,{...e})}):u(e)}},3365:function(e,t,n){n.d(t,{Z:()=>v});var i=n("5893"),r=n("4200"),s=n("7294"),a=n("8294");function o(e){let t=(0,s.useRef)(null),[n,r]=(0,s.useState)(e.className||""),[o,l]=(0,s.useState)(e.style||{}),[d,c]=(0,s.useState)(e.height),[h,u]=(0,s.useState)(),[p,m]=(0,s.useState)(JSON.stringify(e.config||"")),[g,v]=(0,s.useState)("");return(0,s.useEffect)(()=>{if(!t.current)return;let{className:n,style:i,height:s,sdkReady:o,config:d,...f}=e;if(r(n||""),l(i||{}),c(s),h&&g===JSON.stringify(f)){if(p===JSON.stringify(d))return;m(JSON.stringify(d)),"string"==typeof d?fetch(d).then(e=>e.json()).then(e=>{h?.setConfig(e)}):d&&h.setConfig(d)}else v(JSON.stringify(f)),h?.destroy(),(0,a.T)(t.current,{config:d,...f}).then(e=>{u(e),"function"==typeof o&&o(e)})},[e]),(0,s.useEffect)(()=>()=>{h?.destroy()},[]),(0,i.jsx)("div",{ref:t,className:n,style:o,"data-height":d})}var l=n("1858"),d=n("3262"),c=n("1705"),h=n("7645"),u=n("8168"),p=n("8228"),m=n("5050");function g(e){let[t,n]=(0,s.useState)(e.js),[r,a]=(0,s.useState)(e.ts),[o,l]=(0,s.useState)(e.react),[g,v]=(0,s.useState)(e.vue),[f,j]=(0,s.useState)(e.svelte),y="3.7rem",[x,b]=(0,s.useState)(!0),[w,S]=(0,s.useState)(y),C=(0,s.useRef)(null),E=()=>{setTimeout(()=>{S(`calc(${C.current.offsetHeight}px + ${y})`)},5),setTimeout(()=>{S(`calc(${C.current.offsetHeight}px + ${y})`)},255)};return(0,s.useEffect)(()=>{if(d.Z.canUseDOM){let e=function(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"js";try{return window.prettier?.format(e,{parser:"html"===t?"html":"babel",plugins:window.prettierPlugins})}catch{return e}};n(e(t,"js")),a(e(r,"ts")),l(e(o,"jsx")),v(e(g,"html")),j(e(f,"html"))}},[]),(0,i.jsxs)("details",{className:`alert alert--info ${m.Z.details} ${p.Z.details}`,"data-collapsed":x,style:{height:x?y:w,overflow:"hidden",willChange:"height",transition:`height ${x?"250ms":"265ms"} ease-in-out 0s`,margin:"1em 0"},children:[(0,i.jsx)("summary",{onClick:()=>{b(!x),E()},children:"show code"}),(0,i.jsx)("div",{ref:C,style:{display:"block",overflow:"hidden"},children:(0,i.jsx)("div",{className:m.Z.collapsibleContent,children:(0,i.jsxs)(u.Z,{groupId:"sdk-code",children:[(0,i.jsx)(h.Z,{value:"js",label:"JS",attributes:{onMouseDown:E},children:(0,i.jsx)(c.Z,{language:"js",children:t})}),(0,i.jsx)(h.Z,{value:"ts",label:"TS",attributes:{onMouseDown:E},children:(0,i.jsx)(c.Z,{language:"ts",children:r})}),(0,i.jsx)(h.Z,{value:"react",label:"React",attributes:{onMouseDown:E},children:(0,i.jsx)(c.Z,{language:"jsx",children:o})}),(0,i.jsx)(h.Z,{value:"vue",label:"Vue",attributes:{onMouseDown:E},children:(0,i.jsx)(c.Z,{language:"html",children:g})}),(0,i.jsx)(h.Z,{value:"svelte",label:"Svelte",attributes:{onMouseDown:E},children:(0,i.jsx)(c.Z,{language:"html",children:f})})]})})})]})}function v(e){let{className:t,style:n,showCode:s,height:a,...d}=e,{colorMode:c}=(0,r.I)(),h=e=>JSON.stringify(e,null,2),u=`
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import { createPlayground } from 'livecodes';
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const options = ${h(d)};
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createPlayground('#container', options);
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`.trimStart(),p=`
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import { createPlayground, type EmbedOptions } from 'livecodes';
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const options: EmbedOptions = ${h(d)};
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createPlayground('#container', options);
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`.trimStart(),m=`
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import LiveCodes from 'livecodes/react';
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export default function App() {
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const options = ${h(d)};
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return (<LiveCodes {...options}></LiveCodes>);
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}
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`.trimStart(),v=`
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<script setup>
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import LiveCodes from "livecodes/vue";
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const options = ${h(d)};
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</script>
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<template>
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<LiveCodes v-bind="options" />
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</template>
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`,f=`
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<script>
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import { onMount } from 'svelte';
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import { createPlayground } from 'livecodes';
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let options = $state(${h(d)});
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let container = $state(null);
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onMount(() => {
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createPlayground(container, options);
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});
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</script>
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<div bind:this="{container}"></div>
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