update oops

Author: Sushant2435

Oops/12_University.js

@@ -0,0 +1,56 @@
+// 12. Write a JavaScript program that creates a class called University with properties for university name and departments. Include methods to add a department, remove a department, and display all departments. Create an instance of the University class and add and remove departments.
+
+class University {
+    constructor(uni_name, departments) {
+        this.uni_name = uni_name;
+        this.departments = [];
+
+    }
+    addDepartment(department) {
+        this.departments.push(department);
+        console.log(`Department "${department}" added to ${this.name}.`);
+    }
+    removeDepartment(department) {
+        const index = this.departments.indexOf(department);
+        if (index !== -1) {
+            this.departments.splice(index, 1);
+            console.log(`Department "${department}" removed from ${this.name}.`);
+        } else {
+            console.log(`Department "${department}" does not exist in ${this.name}.`);
+        }
+
+    }
+    display() {
+        console.log(`Departments in ${this.uni_name}:`);
+        if (this.departments.length === 0) {
+            console.log('No departments available.');
+        } else {
+            this.departments.forEach((department, index) => {
+                console.log(`${index + 1}. ${department}`);
+            });
+        }
+
+    }
+}
+// Create an instance of the University class
+const university = new University('ABC University');
+// Perform operations on the university
+university.display(); // Departments in ABC University: No departments available.
+
+university.addDepartment('Science');
+university.addDepartment('Mathematics');
+university.addDepartment('Physics');
+university.display();
+// Departments in ABC University:
+// 1. Computer Science
+// 2. Mathematics
+// 3. Physics
+
+university.removeDepartment('Mathematics');
+university.display();
+// Departments in ABC University:
+// 1. Science
+// 2. Physics
+
+university.removeDepartment('Chemistry');
+// Department "Chemistry" does not exist in ABC University