diff --git a/knapsack.java b/knapsack.java
new file mode 100644
index 0000000..fe0bde7
--- /dev/null
+++ b/knapsack.java
@@ -0,0 +1,31 @@
+class Knapsack 
+{ 
+  
+     static int max(int a, int b) 
+     {
+      return (a > b)? a : b; 
+      } 
+       
+     static int knapSack(int W, int wt[], int val[], int n) 
+     { 
+    if (n == 0 || W == 0) 
+        return 0; 
+       
+  
+    if (wt[n-1] > W) 
+       return knapSack(W, wt, val, n-1); 
+      
+    else return max( val[n-1] + knapSack(W-wt[n-1], wt, val, n-1), 
+                     knapSack(W, wt, val, n-1) 
+                      ); 
+      } 
+  
+   public static void main(String args[]) 
+   { 
+        int val[] = new int[]{60, 100, 120}; 
+        int wt[] = new int[]{10, 20, 30}; 
+    int  W = 50; 
+    int n = val.length; 
+    System.out.println(knapSack(W, wt, val, n)); 
+    } 
+}