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Browse CoursesPolymorphism: poly–>many class customer { void Fillform(String name,int mob,String email) { ——– ——— } void Fillform(String name,int mob1,int mob2,String email) { ——– ——— } } class Bank { public static void main(String args[]) { Customer a=new Customer(); a.Fillform(“a”,123,"abc@gmail.com”); Customer b=new Customer(); b.Fillform(“b”,123,456,"def@gmail.com”); }} ———————— –>occur at compile time(Method overloading) —>occur at […]
A Cashier has a currency notes of denomination 10,50 and 100. If the amount to be withdrawn is input through the keyboard in maximum hundreds, find the total number of currency notes of each denomination the cashier will have to give to the withdrawer 1275 Hundred rs note=12 50 rs note=1 10 […]
//Final class==> //final class cannot be extended(no any subclass can able to inherit it) Example program import java.io.*; final class Shape { void draw() { System.out.println(“Drawing shape..”); } } class Finalmethod { public static void main(String args[]) { Shape obj=new Shape(); obj.draw(); } }
Final variables==> final variables means constant–>once assigned,its value cannot be changed class Finalvariables { final int speedlimit=60; void display() { //speedlimit=70;//error System.out.println(“speed limit=” +speedlimit); } public static void main(String args[]) { Finalvariables object=new Finalvariables(); object.display(); }}
Here’s a simple Java program to calculate the cost price of one item, based on total selling price and profit import java.util.Scanner; public class CostPriceCalculator { public static void main(String[] args) { Scanner sc = new Scanner(System.in); // Input total selling price and profit System.out.print(“Enter total selling price of 15 items: “); int sellingPrice = […]
Here’s a simple Java program that accepts the number of late days and calculates the fine or displays the membership cancellation message: import java.util.Scanner; public class LibraryFine { public static void main(String[] args) { Scanner sc = new Scanner(System.in); // Input number of late days System.out.print(“Enter number of days late: “); int […]
simple Java code to count the number of zeroes in the number ✅ Java Code: public class CountZeroes { public static void main(String[] args) { int number = 120003; int count = 0; while (number != 0) { if (number % 10 == 0) count++; number = number / 10; } System.out.println(“Number of […]
✅ What is a Perfect Number? A number is perfect if the sum of its proper divisors (excluding itself) equals the number. Example: 28 → 1 + 2 + 4 + 7 + 14 = 28 import java.util.Scanner; public class PerfectNumber { public static void main(String[] args) { Scanner sc = new Scanner(System.in); […]
✅ What is an Armstrong Number? A number is an Armstrong number if: sum of cubes of its digits = the number itself (for 3-digit numbers) Example: 153 = 1³ + 5³ + 3³ = 153 ✅ Java Code: import java.util.Scanner; public class ArmstrongNumber { public static void main(String[] args) { Scanner […]
Here’s a minimal Java code snippet to reverse a number, which you can add below or replace the existing logic if needed: ✅ Few lines to reverse a number int reverse = 0; while (number != 0) { reverse = reverse * 10 + number % 10; number = number / 10; } System.out.println(“Reversed […]
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