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+====== Creating a Repeated String ======
+<code java>
+String s = "abc";
+String repeated = new String(new char[3]).replace("\0", s);
+</code>
+result in ''repeated'' containing:
+<code>
+abcabcabc
+</code>
+This is sort-of a low-level predecessor to printing repeats using [[fuss:csharp#linq_number_of_times|C# LINQ]].
+====== Switch on String ======
+Compared to C#, Java does not allow to switch on string. However, this can still be done by wrapping the strings in an ''enum'':
+<code java>
+public class Switch {
+  public static enum Days {
+    Monday,
+    Tuesday,
+    Wednesday,
+    Thursday,
+    Friday,
+    Unknown
+  };
+  public static void main(String [] args) {
+    Days Day = Day.Monday;
+    switch (Day) {
+      case Monday:
+      case Tuesday:
+      case Wednesday:
+      case Thursday:
+      case Friday:
+        System.out.println("Weekdays");
+        break;
+      default:
+        System.out.println("Unknown day");
+        break;
+    }
+  }
+}
+</code>
+====== Get All IP Addresses ======
+<code java>
+import java.io.*;
+import java.net.*;
+import java.util.*;
+import static java.lang.System.out;
+public class ListAddrs {
+    public static void main(String args[]) throws SocketException {
+        InetAddress localhost = InetAddress.getLocalHost();
+        InetAddress[] allMyIps = InetAddress.getAllByName(localhost.getCanonicalHostName());
+        for (int i = 0; i < allMyIps.length; i++)
+            out.printf("InetAddress: %s\n", allMyIps[i]);
+    }
+}
+</code>
+====== Iterative Fibonacci Implementation ======
+<code java>
+///////////////////////////////////////////////////////////////////////////
+//    Copyright (C) 2016 Wizardry and Steamworks - License: GNU GPLv3    //
+///////////////////////////////////////////////////////////////////////////
+public class Fibonacci {
+    public static void main(String[] args) {
+        int f0 = 0;
+        int f1 = 1;
+        int i = 0;
+        while(i < 10) {
+            int s = f0;
+            f0 = f1;
+            f1 = s + f1;
+            System.out.println(s);
+            i = i + 1;
+        }
+    }
+}
+</code>
+====== Specifying Java Virtual Machine (JVM) Stack and Heap Size ======
+The heap size can be specified by ''Xmx'' and he stack size by ''Xms'' whilst units can be used to express megabytes or gigabytes.
+<code>
+-Xmx512m -Xms512m
+</code>