Create spiralmatrix.java

Java/spiralmatrix.java

@@ -0,0 +1,46 @@
+public class SpiralMatrix {
+    public static void main(String[] args) {
+        int[][] arr={{1,2,3,4},{5,6,7,8},{9,10,11,12},{13,14,15,16}};
+        Spiral(arr); 
+        for(int i=0;i<arr.length;i++){
+            for(int j=0 ;j<arr[i].length;j++){    //i<arr[0].length
+                System.out.print(arr[i][j]+" ");
+            }
+            System.out.println();
+        }  
+    }  
+
+    public static void Spiral(int[][] arr){
+    int minR=0;
+    int maxR=arr.length-1;
+    int minC=0;
+    int maxC=arr[0].length-1;
+    int te=arr.length*arr[0].length;
+    int c=0;
+
+
+    while(c<te){
+        for(int i=minC;i<=maxC && c<te;i++){
+            System.out.print(arr[minR][i]+" ");
+        }
+        minR++;
+
+        for(int i=minR;i<=maxR && c<te;i++){
+            System.out.print(arr[i][maxC]+" ");
+        }
+        maxC--;
+
+       for(int i=maxC;i>=minC && c<te;i--){
+            System.out.print(arr[maxR][i]+" ");
+            }
+        maxR--;
+
+        for(int i=maxR;i>=minR && c<te;i--){
+            System.out.print(arr[i][minC]+" ");
+            }
+        minC++;
+
+        }
+    }
+
+}