Hollow Diamond in java

Pattern for Hollow Diamond in java

JAVA/HollowDiammond.java

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+public class hollow {
+    public static void main(String[] args){
+        Scanner sc=new Scanner(System.in);
+        int n=sc.nextInt();
+
+// upper half of the pattern
+        for(int i=1;i<=n;i++){
+
+            for(int j=n-i;j>=0;j--){
+                System.out.print("*");
+            }
+
+            for(int k=2*(i-1);k>0;k--){
+                System.out.print(" ");
+            }
+            for(int l=n-i;l>=0;l--){
+                System.out.print("*");
+            }
+            System.out.println();
+        }
+//lower half of the pattern
+        for(int i=0;i<n;i++){
+            for(int j=0;j<=i;j++){
+               System.out.print("*");
+            }
+            for(int k=2*(n-i-1);k>0;k--){
+                System.out.print(" ");
+            }
+            for(int m=0;m<=i;m++){
+               System.out.print("*");
+            }
+            System.out.println();
+        }
+    }
+
+}