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  1.  
  2.  
  3.     public class Main {
  4.  
  5.         public static void main(String args[]) {
  6.             Page page = new Page();
  7.             writeBody(page);
  8.             page.show();
  9.  
  10.         }
  11.  
  12.         static void writeBody(Page page) {
  13.             try (BodyTag bodyTag = new BodyTag(page)) {
  14.                 writeText(page);
  15.                 writeList(page);
  16.             }
  17.         }
  18.  
  19.         static void writeText(Page page) {
  20.             try (StrongTag strongTag = new StrongTag(page)) {
  21.                 strongTag.append(" some text ");
  22.             }
  23.         }
  24.  
  25.         static void writeList(Page page) {
  26.             try (ListTag list = new ListTag(page)) {
  27.                 // A twisted way to write a, b and c as elements
  28.                 for (char c=97; c<100; ++c) {
  29.                     appendElem(page, String.valueOf(c));
  30.                 }
  31.             }
  32.         }
  33.  
  34.         static void appendElem(Page page, String elem) {
  35.             try (ListElem li = new ListElem(page)) {
  36.                 li.append(elem);
  37.             }        
  38.         }
  39.     }
  40.  
  41.     class Page {
  42.  
  43.         StringBuilder content = new StringBuilder();
  44.  
  45.         void append(String text) {
  46.             content.append(text);
  47.         }
  48.  
  49.         void show() {
  50.             System.out.println(content);
  51.         }
  52.     }
  53.  
  54.     abstract class Tag implements AutoCloseable {
  55.  
  56.         String name;
  57.         Page content;
  58.  
  59.         Tag(Page parent, String tagName) {
  60.             name = tagName;
  61.             content = parent;
  62.             content.append("<");
  63.             content.append(name);
  64.             content.append(">");        
  65.         }
  66.  
  67.         public void append(String text) {
  68.             content.append(text);
  69.         }
  70.  
  71.         @Override
  72.         final public void close() {
  73.             content.append("</");
  74.             content.append(name);
  75.             content.append(">");
  76.         }
  77.     }
  78.  
  79.     final class StrongTag extends Tag {
  80.  
  81.         public StrongTag(Page parent) {
  82.             super(parent, "strong");
  83.         }
  84.     }
  85.  
  86.     final class BodyTag extends Tag {
  87.  
  88.         public BodyTag(Page parent) {
  89.             super(parent, "body");
  90.         }
  91.     }
  92.  
  93.     final class ListTag extends Tag {
  94.  
  95.         public ListTag(Page parent) {
  96.             super(parent, "ol");
  97.         }
  98.     }
  99.  
  100.     final class ListElem extends Tag {
  101.  
  102.         public ListElem(Page parent) {
  103.             super(parent, "li");
  104.         }
  105.     }
  106.  
Success #stdin #stdout 0.07s 380224KB
comments (?)
stdin 
Standard input is empty
stdout 
<body><strong> some text </strong><ol><li>a</li><li>b</li><li>c</li></ol></body>
https://ideone.com/HumkT3
language:
Java (12.0.1)
created:
11 years ago
visibility:
public

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