Skip to main content

Write a program to accept the array element and display in reverse order.


 import java.util.*;

class SetA4
{
       public static void main(String args[])
       {
            Scanner s = new Scanner(System.in);
            System.out.println("Enter array size : ");
            int size = s.nextInt();
            System.out.println("Enter elements in array : ");
            int arr[] = new int[size];
           
            for(int i=0;i<size;i++)
            {
                arr[i]=s.nextInt();  
            }
            System.out.println("Reverse array : ");      
            for(int i=size-1; i>=0;i--)    
                System.out.println(arr[i]+"");
       }
}

Comments

Popular posts from this blog

Write a program to read book information (bookid, bookname, bookprice, bookqty) in file “book.dat”. Write a menu driven program to perform the following operations using Random access file: i. Search for a specific book by name. ii. Display all book and total cost

  import java . io .*; import java . util .*; class Book {       String name , id ;       int qty ;       double price , total ;       Book ( String i , String n , String p , String q )      {               name = n ;               id = i ;               qty = Integer . parseInt ( q );               price = Double . parseDouble ( p );               total = qty * price ;      }       public String toString ()      {               System . out . println ( "name\t id\t qty\t price\t total" );               String s = name + "\t" + id + "\t" + qty + "\t" + price + "\t" + total ;           ...

Define a class MyDate (day, month, year) with methods to accept and display a MyDate object. Accept date as dd, mm, yyyy. Throw user defined exception “InvalidDateException” if the date is invalid. Examples of invalid dates : 03 15 2019, 31 6 2000, 29 2 2021

  import java . io .*; import java . util .*; class InvalidDateException extends Exception {       InvalidDateException ()       {               System . out . println ( "Invalid Date" );       } } class MyDate {       int day , mon , yr ;       void accept ( int d , int m , int y )       {             day = d ;             mon = m ;             yr = y ;       }       void display ()       {             System . out . println ( "Date is valid : " + day + "/" + mon + "/" + yr );       } } class Date {       public static void main ( String args []) throws Exception       {             Scanner sc = new Sca...

Write a Java program to design a screen using Awt that will take a user name and password. If the user name and password are not same, raise an Exception with appropriate message. User can have 3 login chances only. Use clear button to clear the TextFields.

  import java . awt .*; import java . awt . event .*; import javax . swing .*; class InvalidPasswordException extends Exception {       InvalidPasswordException ()       {             System . out . println ( "Username and password is not same" );       } } public class Password extends Frame implements ActionListener {       Label uname , upass ;       TextField nametext ;       TextField passtext , msg ;       Button login , Clear ;       Panel p ;       int attempt = 0 ;       char c = '*' ;             public void login ()       {             p = new Panel ();             uname = new Label ( "Username : " , Label . CENTER );             upass = n...