Skip to main content

Java Exception Handling MCQ Test

  Loading…

Basic Java Programs

 



public class BasicJavaProgram { public static void main(String[] args) { // Variables int num1 = 10; int num2 = 5; // Arithmetic Operators int sum = num1 + num2; int difference = num1 - num2; int product = num1 * num2; int quotient = num1 / num2; int remainder = num1 % num2; // Comparison Operators boolean isEqual = num1 == num2; boolean isNotEqual = num1 != num2; boolean isGreater = num1 > num2; boolean isLess = num1 < num2; boolean isGreaterOrEqual = num1 >= num2; boolean isLessOrEqual = num1 <= num2; // Logical Operators boolean logicalAnd = (num1 > 0) && (num2 < 10); boolean logicalOr = (num1 > 0) || (num2 < 10); boolean logicalNot = !(num1 == num2); // Conditional Statements if (num1 > num2) { System.out.println("num1 is greater than num2"); } else if (num1 < num2) { System.out.println("num1 is less than num2"); } else { System.out.println("num1 is equal to num2"); } // Looping Statements System.out.println("Printing numbers from 1 to 5:"); for (int i = 1; i <= 5; i++) { System.out.print(i + " "); } System.out.println(); // Move to the next line // Switch Statement int dayOfWeek = 3; String dayName; switch (dayOfWeek) { case 1: dayName = "Sunday"; break; case 2: dayName = "Monday"; break; case 3: dayName = "Tuesday"; break; case 4: dayName = "Wednesday"; break; case 5: dayName = "Thursday"; break; case 6: dayName = "Friday"; break; case 7: dayName = "Saturday"; break; default: dayName = "Invalid day"; } System.out.println("Day of the week: " + dayName); } }

Comments

Popular posts from this blog

Passing and Returning Objects in Java Methods

Passing and Returning Objects in Java Methods In Java, objects can be passed as parameters to methods and returned from methods just like other primitive data types. This allows for flexibility and the manipulation of object state within methods. Let's explore how passing and returning objects work in Java. Passing Objects as Parameters When you pass an object as a parameter to a method, you are essentially passing a reference to that object. This means that changes made to the object inside the method will affect the original object outside the method.  Example: class Car {     String model;     Car(String model) {         this.model = model;     } } public class CarProcessor {     // Method to modify the Car object     static void modifyCar(Car car, String newModel) {         car.model = newModel;     }     public static void main(String[] args) {       ...

Different Types of Computer Architecture

  Computer architecture refers to the design and structure of a computer system. There are several types of computer architectures, each designed for specific purposes. Here are the main ones explained in simple terms: 1. Von Neumann Architecture (Stored Program Architecture) Description : This is the most common architecture for general-purpose computers. It consists of a Central Processing Unit (CPU) , memory , and input/output devices . How it works : In Von Neumann architecture, both data and instructions (programs) are stored in the same memory. The CPU fetches instructions from memory, executes them, and then moves to the next instruction. This architecture is simple and easy to implement. Example : Most personal computers, laptops, and desktops use this architecture. 2. Harvard Architecture Description : Harvard architecture is similar to Von Neumann, but with a key difference: it has separate memory for data and instructions . This allows the CPU to fetch instructions a...