Organize Java Directory and fix code

Program's_Contributed_By_Contributors/Java_Programs/DP/Fibonacci.java

@@ -0,0 +1,33 @@
+/**
+ * 
+ * It is a sequence such that each number is the sum of the two preceding ones; and the sequence will start from the number 0 and 1.
+ * Resources
+ * https://en.wikipedia.org/wiki/Fibonacci_number
+ * 
+ */
+
+
+
+import java.util.*;
+class Fibonacci
+{
+    public static void main(String args[])
+    {
+        Scanner sc = new Scanner(System.in);
+        int n = sc.nextInt();
+        fibo(n);
+    }
+
+    static void fibo(int n){
+        int a = 0, b = 1, i;
+        if(n<1){ return; }
+
+        System.out.print(a + " ");
+        for(i = 1; i<n ; i++){
+            System.out.print(b + " ");
+            int c = a+b;
+            a = b;
+            b = c;
+        }
+    }
+}

Program's_Contributed_By_Contributors/Java_Programs/arrayIntersection.java → Program's_Contributed_By_Contributors/Java_Programs/Misc/ArrayIntersection.java

@@ -1,51 +1,51 @@
-public class arrayIntersection{
-
-    public static void intersect(int[] a,int[] b){
-
-        int minSize = (a.length>=b.length) ? b.length:a.length;
-        int c[] = new int[minSize];
-        int z=0;
-        for(int i=0;i<a.length;i++){
-
-            for(int j=0;j<b.length;j++){
-
-                if(a[i]==b[j]){
-
-                    if(search(c, a[i])==-1){
-                        c[z]=a[i];
-                        z++;
-                    }
-                }
-            }
-        }
-
-
-    }
-
-    public static int search(int arr[],int a){
-
-        int start=0,end=arr.length-1;
-
-        while(start<=end){
-
-            int mid=(start+end)/2;
-            if(arr[mid]>a){
-                end=mid-1;
-            }else if(arr[mid]<a){
-                start = mid+1;
-            }else{
-                return mid;
-            }
-
-        }
-
-        return -1;
-    }
-
-    public static void main(String[] args) {
-        
-        int arr1[] = { 1,2,3,4,5,6,7,8,9,10};
-        int arr2[] = { 5,6,7,8,9,10,11,12,13,14,15,16};
-        intersect(arr1,arr2);
-    }
+public class ArrayIntersection{
+
+    public static void intersect(int[] a,int[] b){
+
+        int minSize = (a.length>=b.length) ? b.length:a.length;
+        int c[] = new int[minSize];
+        int z=0;
+        for(int i=0;i<a.length;i++){
+
+            for(int j=0;j<b.length;j++){
+
+                if(a[i]==b[j]){
+
+                    if(search(c, a[i])==-1){
+                        c[z]=a[i];
+                        z++;
+                    }
+                }
+            }
+        }
+
+
+    }
+
+    public static int search(int arr[],int a){
+
+        int start=0,end=arr.length-1;
+
+        while(start<=end){
+
+            int mid=(start+end)/2;
+            if(arr[mid]>a){
+                end=mid-1;
+            }else if(arr[mid]<a){
+                start = mid+1;
+            }else{
+                return mid;
+            }
+
+        }
+
+        return -1;
+    }
+
+    public static void main(String[] args) {
+
+        int arr1[] = { 1,2,3,4,5,6,7,8,9,10};
+        int arr2[] = { 5,6,7,8,9,10,11,12,13,14,15,16};
+        intersect(arr1,arr2);
+    }
 }