Update DivideArrayintoEqualPairs.java

Author: vishrutimahajan

DivideArrayintoEqualPairs.java

@@ -0,0 +1,21 @@
+import java.util.Arrays;
+
+public class DivideArrayintoEqualPairs {
+
+    public boolean divideArray(final int[] nums) {
+    
+        final int[] count = new int[501];
+
+        for (final int num : nums)
+        ++count[num];
+
+        return Arrays.stream(count).allMatch(c -> c % 2 == 0);
+        
+    }
+    public static void main(String[] args) {
+        Solution d=new Solution();
+        int[] nums = {3, 2, 3, 2, 2, 2};  
+        boolean result = d.divideArray(nums);
+        System.out.println("Can divide array into equal pairs? " + result);
+    }
+}