diff --git a/java/theme/variables/array.svg b/java/theme/variables/array.svg
new file mode 100644
index 000000000..af1bb63a0
--- /dev/null
+++ b/java/theme/variables/array.svg
@@ -0,0 +1,4 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 60">
+  <g><path fill="#e6e6e6" d="M60,30A30,30,0,1,1,30,0,30,30,0,0,1,60,30Z"/></g>
+  <g><path fill="#000000" d="M17.52,16.47h9v2.22H20V41.31h6.51v2.22h-9Zm16,0v2.22H40V41.31H33.51v2.22h9V16.47Z"/></g>
+</svg>
diff --git a/java/theme/variables/boolean.svg b/java/theme/variables/boolean.svg
new file mode 100644
index 000000000..5b63b8d73
--- /dev/null
+++ b/java/theme/variables/boolean.svg
@@ -0,0 +1,4 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 60">
+  <g><path fill="#e6e6e6" d="M60,30A30,30,0,1,1,30,0,30,30,0,0,1,60,30Z"/></g>
+  <g><path fill="#000000" d="M43.77,16.23h-15V28.77H16.23v15h15V31.23H43.77Zm-15,25.08H18.69V31.23H28.77ZM41.31,28.77H31.23V18.69H41.31Z"/></g>
+</svg>
diff --git a/java/theme/variables/byte.svg b/java/theme/variables/byte.svg
new file mode 100644
index 000000000..0ce743c73
--- /dev/null
+++ b/java/theme/variables/byte.svg
@@ -0,0 +1,4 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 60">
+  <g><path fill="#e6e6e6" d="M60,30A30,30,0,1,1,30,0,30,30,0,0,1,60,30Z"/></g>
+  <g><path fill="#000000" d="M33.53,25.11a4.36,4.36,0,0,0-2.43.75L30,26.61a7.58,7.58,0,0,0-2,1.83l-.72-.15.48-2.94,1-6.6h-2.4L23,40.08l3.55.84a11.23,11.23,0,0,0,2.54.33c3.93,0,6.66-2.94,7.62-8.28C37.58,28.14,36.41,25.11,33.53,25.11Zm.75,7.53c-.89,4.89-3.12,6.9-6.72,6.15l-1.89-.39.93-6a3,3,0,0,1,1.59-2.25L31.49,28a2.48,2.48,0,0,1,1.38-.48C34.34,27.48,34.82,29.43,34.28,32.64Z"/></g>
+</svg>
diff --git a/java/theme/variables/char.svg b/java/theme/variables/char.svg
new file mode 100644
index 000000000..fe4b6e11e
--- /dev/null
+++ b/java/theme/variables/char.svg
@@ -0,0 +1,4 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 60">
+  <g><path fill="#e6e6e6" d="M60,30A30,30,0,1,1,30,0,30,30,0,0,1,60,30Z"/></g>
+  <g><path fill="#000000" d="M31.83,19.32l-.75,9.36H28.92l-.75-9.36Z"/></g>
+</svg>
diff --git a/java/theme/variables/double.svg b/java/theme/variables/double.svg
new file mode 100644
index 000000000..9c895489d
--- /dev/null
+++ b/java/theme/variables/double.svg
@@ -0,0 +1,4 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 60">
+  <g><path fill="#e6e6e6" d="M60,30A30,30,0,1,1,30,0,30,30,0,0,1,60,30Z"/></g>
+  <g><path fill="#000000" d="M35.18,18.78,34.1,25.71l-1.23-.3a11.38,11.38,0,0,0-2.55-.33c-3.93,0-6.66,2.94-7.62,8.28-.87,4.83.3,7.86,3.18,7.86a4.36,4.36,0,0,0,2.43-.75l1.14-.75a7.57,7.57,0,0,0,1.95-1.83l.78.15L32.06,41h2l3.48-22.2ZM32.81,33.9a3,3,0,0,1-1.59,2.25l-3.3,2.22a2.56,2.56,0,0,1-1.5.48c-1.35,0-1.83-2-1.29-5.16.9-4.89,3.12-6.9,6.72-6.15l1.89.39Z"/></g>
+</svg>
diff --git a/java/theme/variables/float.svg b/java/theme/variables/float.svg
new file mode 100644
index 000000000..280007c83
--- /dev/null
+++ b/java/theme/variables/float.svg
@@ -0,0 +1,4 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 60">
+  <g><path fill="#e6e6e6" d="M60,30A30,30,0,1,1,30,0,30,30,0,0,1,60,30Z"/></g>
+  <g><path fill="#000000" d="M31.86,21.27l-.12,1.23H38v2.16H31.5L29.73,41.49a2.53,2.53,0,0,1-2.67,2.61,4.41,4.41,0,0,1-2.13-.6l-4.32-2.28,1-1.95,5,2.61.66-.33L29.1,24.66H23.7V22.5h5.64l.15-1.41c.39-3.72,2.25-5.19,5.76-5.19h4.14v2.16H35.28C33.12,18.06,32.1,18.93,31.86,21.27Z"/></g>
+</svg>
diff --git a/java/theme/variables/integer.svg b/java/theme/variables/integer.svg
new file mode 100644
index 000000000..b72340646
--- /dev/null
+++ b/java/theme/variables/integer.svg
@@ -0,0 +1,4 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 60">
+  <g><path fill="#e6e6e6" d="M60,30A30,30,0,1,1,30,0,30,30,0,0,1,60,30Z"/></g>
+  <g><path fill="#000000" d="M30.54,20.28c.21-1.14.81-1.59,2.13-1.59,1.5,0,2.07.63,1.83,1.95-.21,1.14-.81,1.59-2.13,1.59C30.87,22.23,30.3,21.6,30.54,20.28Zm6.15,15.48L30.6,38.94,30,38.37l2.31-10c.45-2-.54-3.24-2.22-3.24a4.31,4.31,0,0,0-2,.57l-5.79,3.06,1,1.92,6.09-3.18.57.57-2.31,10c-.45,2,.54,3.24,2.22,3.24a4.31,4.31,0,0,0,2-.57l5.79-3.06Z"/></g>
+</svg>
diff --git a/java/theme/variables/long.svg b/java/theme/variables/long.svg
new file mode 100644
index 000000000..d5ad84468
--- /dev/null
+++ b/java/theme/variables/long.svg
@@ -0,0 +1,4 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 60">
+  <g><path fill="#e6e6e6" d="M60,30A30,30,0,1,1,30,0,30,30,0,0,1,60,30Z"/></g>
+  <g><path fill="#000000" d="M36.55,37.38l-6.24,3.3a4.25,4.25,0,0,1-2,.57c-1.68,0-2.52-1.29-2.23-3l2.86-17.31H23.45V18.75h5.73c1.7,0,2.36.81,2.1,2.4L28.46,38.28l.57.57,6.47-3.39Z"/></g>
+</svg>
diff --git a/java/theme/variables/object.svg b/java/theme/variables/object.svg
new file mode 100644
index 000000000..33f0ed880
--- /dev/null
+++ b/java/theme/variables/object.svg
@@ -0,0 +1,4 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 60">
+  <g><path fill="#e6e6e6" d="M60,30A30,30,0,1,1,30,0,30,30,0,0,1,60,30Z"/></g>
+  <g><path fill="#000000" d="M35,30a5,5,0,1,1-5-5A5,5,0,0,1,35,30Z"/></g>
+</svg>
diff --git a/java/theme/variables/short.svg b/java/theme/variables/short.svg
new file mode 100644
index 000000000..02616382a
--- /dev/null
+++ b/java/theme/variables/short.svg
@@ -0,0 +1,4 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 60">
+  <g><path fill="#e6e6e6" d="M60,30A30,30,0,1,1,30,0,30,30,0,0,1,60,30Z"/></g>
+  <g><path fill="#000000" d="M27.4,26.31q-.27,1.49,1.53,1.89l3.42.78c2.79.63,3.93,2.19,3.51,4.59-.54,3-3.15,4.53-7,4.53-3.42,0-5.94-1.26-5.64-4.83h2.37c-.12,1.92,1.08,2.58,3.3,2.58,2.58,0,4.23-.81,4.53-2.46.18-1.11-.39-1.92-1.89-2.25L28,30.36c-2.52-.57-3.45-2-3.06-4.11.48-2.79,2.91-4.35,6.42-4.35,3,0,5.67,1.17,5.46,4.47H34.54c0-1.62-1.14-2.25-3.15-2.25C29.08,24.12,27.64,24.9,27.4,26.31Z"/></g>
+</svg>
diff --git a/java/theme/variables/string.svg b/java/theme/variables/string.svg
new file mode 100644
index 000000000..581787d74
--- /dev/null
+++ b/java/theme/variables/string.svg
@@ -0,0 +1,4 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 60">
+  <g><path fill="#e6e6e6" d="M60,30A30,30,0,1,1,30,0,30,30,0,0,1,60,30Z"/></g>
+  <g><path fill="#000000" d="M25,19.32h3.36l-.6,9.36H25.62Zm6.6,0,.6,9.36h2.16l.6-9.36Z"/></g>
+</svg>