Java code to print fibonacci numbers in reverse order
import java.util.*;
class Main{

public static void main(String[] args)
{
Scanner sc = new Scanner(System.in);
int n = sc.nextInt();
int fib[] = new int[n];
if(n>=0)
fib[0] = 0;
if(n>=1)
fib[1] = 1;
for(int i=2;i<n;i++)
fib[i] = fib[i-1] + fib[i-2];
for(int i=n-1;i>=0;i--)
System.out.print(fib[i]+" ");
}
}

[8/26, 23:55] ENTREPRENEUR: package com.aman;

import java.util.Scanner;

public class gradetestcase {

public static void main(String[] args) {

Scanner x = new Scanner(System.in);
System.out.println("Enter The Number Of TestCases");
int B = x.nextInt();// testcases input
// using for loop condition
for (int A = 1; A <= B; A++) {
System.out.println("Enter Your Percentage");
int D = x.nextInt();
if ((D < 0) || (D > 100)) {// not less than 0 n max than 100
System.out.println("ERROR");
} else {
if ((D>33)&&(D<65)) {
System.out.println("Grade B");
} else if (D > 65) {
System.out.println("Grade A");
} else
System.out.println("Grade C");


}
}
}
[8/26, 23:55] ENTREPRENEUR: package com.aman;

import java.util.Scanner;

public class SwapNumbers {

public static void main(String[] args) {
// write your code here
//WAP TO SWAP TWO NUMBERS
System.out.println("Enter Number One");
Scanner x = new Scanner(System.in);
int A =x.nextInt();
System.out.println("Enter Number Two");
int B =x.nextInt();
A=A-B; //Subtracting the second variable from the first variable and assign that value to the first variable.
B=A+B; //Adding the value of both the variables and assign it to the second variable.
A=B-A; //Subtracting the value of the first variable from the second variable and assign that value to the first variable.
System.out.println("After Swapping numbers are: ");
System.out.println(A);
System.out.println(B);
}
}
[8/26, 23:56] ENTREPRENEUR: package com.aman;

import java.util.Scanner;

public class Palindrome_Swaping {
public static void main(String[] args) {
Scanner x = new Scanner(System.in);
System.out.println("Type numbers");
int a = x.nextInt();
int b;
for(; a>=0;a=a%10) {
b = a / 10;
System.out.println(a);
String [] Palindrome = ;
}
}
}
[8/26, 23:57] ENTREPRENEUR: package com.MYCODES;

import java.util.Scanner;

public class WeekDaysCalculate {

public static void main (String[]args){
// write your code here
Scanner scan = new Scanner(System.in);
System.out.println("Enter Your case number");
int weekdays = scan.nextInt();
/* System.out.println(input); */

switch (weekdays) {
case 1:
System.out.println("today is monday");
break;
case 3:
System.out.println("today is wednesday");
break;
case 4:
System.out.println("today is thursday");
break;
case 5:
System.out.println("today is friday");
break;
default:
System.out.println("today is sunday");
}
}
}
[9/2, 23:25] ENTREPRENEUR: package com.aman;

import java.util.Scanner;

class FullTimeEmp extends Employee
{

void calSal()
{
Scanner s=new Scanner(System.in);

System.out.println("Enter the no.of working days");
int days=s.nextInt();

System.out.println("Enter wage per day");
int wage=s.nextInt();

System.out.println("Salary For FullTimeEmp:"+(days*wage));
}
public static void main(String args[])
{
PartTimeEmp p=new PartTimeEmp();
p.calSal();

FullTimeEmp f=new FullTimeEmp();
f.calSal();
}
}
[9/2, 23:26] ENTREPRENEUR: package com.aman;

import java.util.Scanner;

class PartTimeEmp extends Employee
{
void calSal()

{
Scanner s=new Scanner(System.in);
System.out.println("Enter the no.of working hrs");
int hrs=s.nextInt();
System.out.println("Enter the wage per hr");
int wage=s.nextInt();
System.out.println("Salary For PartTime Employee::"+(hrs*wage));
}
}
[9/2, 23:26] ENTREPRENEUR: package com.aman;

abstract class Employee
{
abstract void calSal();

void display()
{
System.out.println("display method of Employee class");
}
}
[9/5, 15:14] ENTREPRENEUR: import java.util.Scanner;

class PrimeNumber {
public static void main(String[] args) {
System.out.println("Give number");
Scanner x = new Scanner(System.in);
int n = x.nextInt();
int count =0;
for(n=1 ;n<=30 ;n++){
for(int i =n ; i<=n; i++){
if(n%i==0){
count++;
}
}if(count==2){
System.out.println(n+" is a prime number ");}
else
System.out.println(n +" is not a prime number");
}
}
}
[9/5, 15:19] ENTREPRENEUR: import java.util.Scanner;
class Prime
{
public static void main(String arg[])
{
int i,count;
System.out.print("Enter n value : ");
Scanner sc=new Scanner(System.in);
int n=sc.nextInt();
System.out.println("Prime numbers between 1 to "+n+" are ");
for(int j=2;j<=n;j++)
{
count=0;
for(i=1;i<=j;i++)
{
if(j%i==0)
{
count++;
}
}
if(count==2)
System.out.print(j+" ");
}
}
}
[9/5, 15:27] ENTREPRENEUR: public class PerfectNumber
{
public static void main(String arg[])
{
int sum=0;
for(int i=0;i<10001;i++)
{
sum=0;
for(int j=1;j<i;j++)
{
if(i%j==0)
{
sum=sum+j;
}
}
if(sum==i && sum!=0)
System.out.print(i+"\t");
}
}
}
[9/6, 15:00] ENTREPRENEUR: class Patterns {
public static void main(String[] args) {
System.out.println("pattern programs ");
for(int i=1 ; i<=7; i++){
for(int j = 1 ; j<=7; j++){
if(i==1i==7 j==1 || j==7){
System.out.print(" + ");
}else
System.out.print(" ");
}System.out.println();
}
}
}
[9/6, 23:01] ENTREPRENEUR: package com.Aman;
import java.util.Scanner;
public class Passsenger {
private String name;
private int Age;
private int SeatNo;
private String Pnr;
private long IdNo;

//getter methods
public String getName(){return this.name;}
public int getAge(){return this.Age;}
public int getSeatNo(){return this.SeatNo;}
public String getPnr(){return this.Pnr;}
public long getIdNo(){return this.IdNo;}

//setter methods

public void setName(String name){this.name = name;}
public void setAge(int age){this.Age = age;}
public void setSeatNo(int seatNo){this.SeatNo = seatNo;}
public void setPnr(String pnr){this.Pnr = pnr;}
public void setIdNo(long idNo){this.IdNo = idNo;}

//main method
public static void main(String[] args) {
// write your code here
Scanner x = new Scanner(System.in);
Passsenger Sai = new Passsenger();
//classname variable /refernce variable for object = new (for memory allocation) classname();
System.out.println("share your name");
String A =x.next();
System.out.println("share your age");
int B = x.nextInt();
System.out.println("your seat number ");
int C = x.nextInt();
System.out.println("your pnr number");
String D =x.next();
System.out.println("your ID number");
long E = x.nextLong();
//setter method calling
Sai.setName(A);
Sai.setAge(B);
Sai.setSeatNo(C);
Sai.setPnr(D);
Sai.setIdNo(E);
//getter method calling