diff --git a/OOP/Java/Lab/Week1/Factorial.java b/OOP/Java/Lab/Week1/Factorial.java
new file mode 100644
index 0000000..c3db044
--- /dev/null
+++ b/OOP/Java/Lab/Week1/Factorial.java
@@ -0,0 +1,17 @@
+class Factorial
+{
+        public static void main(String args[])
+        {
+            int a,i,product=1;
+
+            a = Integer.parseInt(args[0]);
+        
+            for(i=a;i>0;i--)
+            {
+                product = product * i;
+            }
+ 
+            System.out.println("Factorial For the Number "+a+" is "+product+".");   
+
+        }
+}
\ No newline at end of file
diff --git a/OOP/Java/Lab/Week1/MultiplicationTable.java b/OOP/Java/Lab/Week1/MultiplicationTable.java
new file mode 100644
index 0000000..4463502
--- /dev/null
+++ b/OOP/Java/Lab/Week1/MultiplicationTable.java
@@ -0,0 +1,16 @@
+class MultiplicationTable
+{
+        public static void main(String args[])
+        {
+            int a,b,i,c;
+            a = Integer.parseInt(args[0]);
+            b = Integer.parseInt(args[1]);
+
+
+            for(i=1;i<=b;i++)
+            {
+                c = a*i;                
+                System.out.println(+a+" x "+i+" = "+c);
+            }
+        }
+}
\ No newline at end of file
diff --git a/OOP/Java/Lab/Week1/NumberClassify.java b/OOP/Java/Lab/Week1/NumberClassify.java
new file mode 100644
index 0000000..a0e57fb
--- /dev/null
+++ b/OOP/Java/Lab/Week1/NumberClassify.java
@@ -0,0 +1,31 @@
+import java.util.Scanner;  // Import the Scanner class
+
+class NumberClassify {
+  public static void main(String[] args) {
+    Scanner sc = new Scanner(System.in);
+    int i,pos=0,zero=0,neg=0;
+    int[] arr;
+    arr = new int[10];
+
+    System.out.println("Enter 10 Numbers:");
+
+    for(i=0;i<10;i++){
+        arr[i] = sc.nextInt();
+    }
+
+    for(i=0;i<10;i++){
+        if(arr[i] > 0){
+            pos++;
+        }else if(arr[i] < 0){
+            neg++;
+        }else{
+            zero++;
+        }
+    }
+
+    System.out.println("There are "+pos+" positive numbers.");
+    System.out.println("There are "+neg+" negative numbers.");
+    System.out.println("There are "+zero+" zero values.");
+
+  }
+}
\ No newline at end of file
diff --git a/OOP/Java/Lab/Week1/Palindrome.java b/OOP/Java/Lab/Week1/Palindrome.java
new file mode 100644
index 0000000..c253376
--- /dev/null
+++ b/OOP/Java/Lab/Week1/Palindrome.java
@@ -0,0 +1,24 @@
+class Palindrome
+{
+        public static void main(String args[])
+        {
+            int a,i,c,temp,rev;
+            a = Integer.parseInt(args[0]);
+
+            temp = a;
+            rev = 0;
+
+            while(temp!=0)
+            {
+                c = temp%10;
+                rev = rev*10 + c;
+                temp = temp/10;
+            }
+ 
+            if(rev == a){
+                System.out.println("The number is a palindrome.");   
+            }else{
+                System.out.println("The number is not a palindrome.");   
+            }
+        }
+}
\ No newline at end of file
diff --git a/OOP/Java/Lab/Week1/Rectangle.java b/OOP/Java/Lab/Week1/Rectangle.java
new file mode 100644
index 0000000..71df307
--- /dev/null
+++ b/OOP/Java/Lab/Week1/Rectangle.java
@@ -0,0 +1,13 @@
+class Rectangle
+{
+        public static void main(String args[])
+        {
+            int a,b,c,l;
+            l = Integer.parseInt(args[0]);
+            b = Integer.parseInt(args[1]);
+            c = 2*(l+b);
+            a = l*b;
+            System.out.println("The Circumference of the Rectangle = "+ c);
+            System.out.println("The Area of the Rectangle = "+ a);
+        }
+}
\ No newline at end of file