diff --git a/OOP/Java/Lab/Week2/BooleanTypecast.java b/OOP/Java/Lab/Week2/BooleanTypecast.java
new file mode 100644
index 0000000..9a44ce2
--- /dev/null
+++ b/OOP/Java/Lab/Week2/BooleanTypecast.java
@@ -0,0 +1,14 @@
+public class BooleanTypecast {
+    public static void main(String args[]){
+        //boolean x = true;
+        //int y = x;
+
+        System.out.println("For the first code, the output is: Type mismatch: cannot convert from boolean to int at BooleanTypecast.main(BooleanTypecast.java:4)");
+
+        // boolean x = true;
+        //int y = (int) x;
+
+        System.out.println("For the second code, the output is: Cannot cast from boolean to int at BooleanTypecast.main(BooleanTypecast.java:9)");
+
+    }
+}
diff --git a/OOP/Java/Lab/Week2/LeapYear.java b/OOP/Java/Lab/Week2/LeapYear.java
new file mode 100644
index 0000000..171e480
--- /dev/null
+++ b/OOP/Java/Lab/Week2/LeapYear.java
@@ -0,0 +1,30 @@
+import java.util.Scanner;  // Import the Scanner class
+
+class LeapYear {
+  public static void main(String[] args) {
+    Scanner sc = new Scanner(System.in);
+    int year1;
+
+    boolean flag;
+
+    System.out.println("Enter the year you want to check: ");
+        year = sc.nextInt();
+
+    if(year%4 != 0){
+        flag = false;
+    }else if(year%100 != 0){
+        flag = true;
+    }else if(year%400 != 0){
+        flag = false;
+    }else{
+        flag = true;
+    }
+
+    if(flag == false){
+        System.out.println("The year "+year+" is not a leap year.");
+    }else{
+        System.out.println("The year "+year+" is a leap year.");
+    }
+
+  }
+}
\ No newline at end of file
diff --git a/OOP/Java/Lab/Week2/Operators.java b/OOP/Java/Lab/Week2/Operators.java
new file mode 100644
index 0000000..6ebca57
--- /dev/null
+++ b/OOP/Java/Lab/Week2/Operators.java
@@ -0,0 +1,28 @@
+import java.util.Scanner;
+public class Operators {
+
+    public static void main(String args[]){
+
+        Scanner sc = new Scanner(System.in);
+
+        System.out.println("Enter the value of a:");
+        int a = sc.nextInt();
+
+        System.out.println("Enter the value of b:");
+        int b = sc.nextInt();
+
+        int c = (a<<2) + (b>>2);
+        System.out.println("Output of (a<<2) + (b>>2) is: "+c);
+
+        boolean d = (b > 0);
+        System.out.println("Output of (b>0) is: "+d);
+
+        int e =	(a + b * 100) / 10;
+        System.out.println("Output of ((a + b * 100) / 10) is: "+e);
+
+        int f =	a & b;
+        System.out.println("Output of (a & b) is: "+f);
+
+    }
+    
+}
diff --git a/OOP/Java/Lab/Week2/Ternary.java b/OOP/Java/Lab/Week2/Ternary.java
new file mode 100644
index 0000000..bee0113
--- /dev/null
+++ b/OOP/Java/Lab/Week2/Ternary.java
@@ -0,0 +1,23 @@
+import java.util.Scanner;
+public class Ternary {
+
+    public static void main(String args[]){
+
+        Scanner sc = new Scanner(System.in);
+
+        System.out.println("Enter the first number: ");
+        int a = sc.nextInt();
+
+        System.out.println("Enter the second number: ");
+        int b = sc.nextInt();
+
+        System.out.println("Enter the third number: ");
+        int c = sc.nextInt();
+
+        int largest = (a>b)?((b>c)?a:c):((b>c)?b:c);
+
+        System.out.println("The largest number is: "+largest);
+
+    }
+    
+}
\ No newline at end of file
diff --git a/OOP/Java/Lab/Week2/TypeConversion.java b/OOP/Java/Lab/Week2/TypeConversion.java
new file mode 100644
index 0000000..4314fdf
--- /dev/null
+++ b/OOP/Java/Lab/Week2/TypeConversion.java
@@ -0,0 +1,34 @@
+import java.util.Scanner;
+
+public class TypeConversion {
+    public static void main (String args[]){
+        Scanner sc = new Scanner(System.in);
+
+        System.out.println("Enter an integer value: ");
+        int a = sc.nextInt();
+
+        System.out.println("Enter a decimal value:");
+        double b = sc.nextDouble();
+
+        System.out.println("Enter a letter:");
+        char c = sc.next().charAt(0);
+
+        // int to byte
+        byte d = (byte) a;
+        System.out.println("Converting the given integer into a byte value, we get: "+d);
+
+        // char to int
+        int e = (int) c;
+        System.out.println("Converting the given character into an int value, we get: "+e);
+
+        // double to byte
+        byte f = (byte) b;
+        System.out.println("Converting the given double value into a byte value, we get: "+f);
+
+        // double to int
+        int g = (int) b;
+        System.out.println("Converting the given double value into an int value, we get: "+g);
+
+    }
+    
+}