Added PositiveNegative solution

Neeraja_EvenOrOdd_q2.java

@@ -0,0 +1,13 @@
+import java.util.*;
+public class Neeraja_EvenOrOdd_q2 {
+    public static void main (String[] args) {
+        Scanner sc = new Scanner(System.in);
+        System.out.println("Enter a number: ");
+        int num = sc.nextInt();
+        if(num % 2 == 0) {
+            System.out.println(num + " is a Even number");
+        } else {
+            System.out.println(num + " is a Odd number");
+        }
+    }
+}

Neeraja_PositiveNegative_q1.java

@@ -0,0 +1,15 @@
+import java.util.Scanner;
+public class Neeraja_PositiveNegative_q1 {
+    public static void main (String[] args) {
+        Scanner sc = new Scanner (System.in);
+        System.out.println("Enter a number: ");
+        int num = sc.nextInt();
+        if (num > 0) {
+            System.out.println(num + " is Positive");
+        } else if (num < 0) {
+            System.out.println(num + " is Negative");
+        } else {
+            System.out.println(num + " is Zero");
+        }
+    }
+}