diff --git a/java/markup/PrimePart.java b/java/markup/PrimePart.java
new file mode 100644
index 0000000..943bbe6
--- /dev/null
+++ b/java/markup/PrimePart.java
@@ -0,0 +1,6 @@
+package markup;
+
+/**
+ * @author Nikita Doschennikov (me@fymio.us)
+ */
+public interface PrimePart extends Markup {}
diff --git a/java/markup/Strikeout.java b/java/markup/Strikeout.java
new file mode 100644
index 0000000..7cf9308
--- /dev/null
+++ b/java/markup/Strikeout.java
@@ -0,0 +1,13 @@
+package markup;
+
+import java.util.List;
+
+/**
+ * @author Nikita Doschennikov (me@fymio.us)
+ */
+public class Strikeout extends AbstractMarkup implements PartOfParagraph {
+
+    public Strikeout(List<PartOfParagraph> items) {
+        super(items, "~", "s", "\\textst{", "}");
+    }
+}
diff --git a/java/markup/Strong.java b/java/markup/Strong.java
new file mode 100644
index 0000000..a5e620b
--- /dev/null
+++ b/java/markup/Strong.java
@@ -0,0 +1,13 @@
+package markup;
+
+import java.util.List;
+
+/**
+ * @author Nikita Doschennikov (me@fymio.us)
+ */
+public class Strong extends AbstractMarkup implements PartOfParagraph {
+
+    public Strong(List<PartOfParagraph> items) {
+        super(items, "__", "strong", "\\textbf{", "}");
+    }
+}
diff --git a/java/markup/Tex.java b/java/markup/Tex.java
new file mode 100644
index 0000000..4b827e6
--- /dev/null
+++ b/java/markup/Tex.java
@@ -0,0 +1,8 @@
+package markup;
+
+/**
+ * @author Nikita Doschennikov (me@fymio.us)
+ */
+public interface Tex {
+    void toTex(StringBuilder sb);
+}
diff --git a/java/markup/Text.java b/java/markup/Text.java
new file mode 100644
index 0000000..34b67e9
--- /dev/null
+++ b/java/markup/Text.java
@@ -0,0 +1,27 @@
+package markup;
+
+/**
+ * @author Nikita Doschennikov (me@fymio.us)
+ */
+public class Text implements PartOfParagraph {
+
+    private final String text;
+
+    public Text(String text) {
+        this.text = text;
+    }
+
+    @Override
+    public void toHtml(StringBuilder sb) {
+        sb.append(text);
+    }
+
+    @Override
+    public void toMarkdown(StringBuilder sb) {
+        sb.append(text);
+    }
+
+    public void toTex(StringBuilder sb) {
+        sb.append(text);
+    }
+}