feat: add java

Package name as `java` is not allow, hence the folder is called `jvm`.
davevad93 · Nov 20, 2024 · f71f8c2 · f71f8c2
1 parent fd34795
commit f71f8c2
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Showing 7 changed files with 48 additions and 3 deletions.
diff --git a/.gitignore b/.gitignore
@@ -0,0 +1,2 @@
+*.class
+code
diff --git a/README.md b/README.md
@@ -21,6 +21,7 @@ To run one of the benchmarks:
   Bun = 0.83
   Deno = 1.13
   PyPy = 1.61
+  Java = 0.64
   $
   ```
 
@@ -47,5 +48,3 @@ Emphasizes loop, conditional, and basic math performance.
 ## fibonacci
 
 Emphasizes function call overhead and recursion.
-
-
diff --git a/clean.sh b/clean.sh
@@ -1,2 +1,3 @@
 rm c/code
 rm go/code
+rm jvm/code.class
diff --git a/compile.sh b/compile.sh
@@ -1,2 +1,3 @@
 clang -O3 c/code.c -o c/code
 go build -o go/code go/code.go
+javac jvm/code.java
diff --git a/fibonacci/jvm/code.java b/fibonacci/jvm/code.java
@@ -0,0 +1,23 @@
+package jvm;
+
+public class code {
+
+    private static int fibonacci(int n) {
+        if (n == 0) {
+            return 0;
+        }
+        if (n == 1) {
+            return 1;
+        }
+        return fibonacci(n - 1) + fibonacci(n - 2);
+    }
+
+    public static void main(String[] args) {
+        var u = Integer.parseInt(args[0]);
+        var r = 0;
+        for (var i = 1; i < u; i++) {
+            r += fibonacci(i);
+        }
+        System.out.println(r);
+    }
+}
diff --git a/loops/jvm/code.java b/loops/jvm/code.java
@@ -0,0 +1,19 @@
+package jvm;
+
+import java.util.Random;
+
+public class code {
+
+    public static void main(String[] args) {
+        var u = Integer.parseInt(args[0]); // Get an input number from the command line
+        var r = new Random().nextInt(10000); // Get a random number 0 <= r < 10k
+        var a = new int[10000]; // Array of 10k elements initialized to 0
+        for (var i = 0; i < 10000; i++) { // 10k outer loop iterations
+            for (var j = 0; j < 100000; j++) { // 100k inner loop iterations, per outer loop iteration
+                a[i] = a[i] + j % u; // Simple sum
+            }
+            a[i] += r; // Add a random value to each element in array
+        }
+        System.out.println(a[r]); // Print out a single element from the array
+    }
+}
diff --git a/run.sh b/run.sh
@@ -10,4 +10,4 @@ run "Node" "node ./js/code.js 40"
 run "Bun" "bun ./js/code.js 40" 
 run "Deno" "deno ./js/code.js 40" 
 run "PyPy" "pypy ./py/code.py 40" 
-
+run "Java" "java jvm.code 40"