Print Fibonacci Series In Java

Program:

package beforeburn;
import java.util.Scanner;
public class Practice1 {
public static void main(String[] args){
Scanner sc = new Scanner(System.in);
System.out.println("Enter the limit of the fibonacci series:");
int userInput = sc.nextInt();
int variable1=1;
int variable2=0;
int fibonacciResult=0;
System.out.println("Finally the fibonacci series is:");
for (int point=0; point<=userInput;point++) {
System.out.print(fibonacciResult+" ");
fibonacciResult=variable1+variable2;
variable1=variable2;
variable2=fibonacciResult;
}
}
}

Output:

Enter the limit of the fibonacci series:
10
Finally the fibonacci series is:
0 1 1 2 3 5 8 13 21 34 55

Screenshots

Program

Output

Print Pass Fail By Scanner And Continuous Using Method

Program:

package passfailproject;

import java.util.Scanner;

public class Checkpassfail {
static Scanner sc=new Scanner(System.in);
public static void main(String[] args) {
int inputMark;
System.out.println("Enter -1 to exit the program");
System.out.println("Enter Your mark that you have got");
inputMark=sc.nextInt();
while(inputMark!=-1){
yourresult(inputMark);
System.out.println("Enter your mark again");
inputMark=sc.nextInt();
}
System.out.println("You have exited the program");
}
static public void yourresult(int mark) {

if(mark<50){
System.out.println("You have Failed");
}else{
System.out.println("You Have Passed");
}
}

}

Output:

Enter -1 to exit the program
Enter Your mark that you have got
60
You Have Passed
Enter your mark again
56
You Have Passed
Enter your mark again
49
You have Failed
Enter your mark again
76
You Have Passed
Enter your mark again
-1
You have exited the program

Screenshots

Program

Output

Object and Classes::public,private,default,constructor method,instance method In Java

Program:

package newfifthlecture;

public class Learnnewclass {
public int aNewnumber=12;//example
static public Carclass myCar;//creating new object
static public Carclass myanothercarCar;//creating another new object
public static void main(String[] args) {

myCar=new Carclass();//calling
System.out.println("Car manufacturer name: "+ myCar.getManufacturerName());
myanothercarCar=new Carclass("TOYOTA","Corolla", 230);//calling and initialize
System.out.println("modelname of my car: "+myanothercarCar.modelName);
}
}

New class in same package:

package newfifthlecture;

public class Carclass {
private String manufacturerName;
public String modelName;

private double fuelAmount;

public Carclass() {
//constructor method
manufacturerName=new String();
modelName="Allion";
fuelAmount=30;
}
public Carclass(String manu,String model,double fuel) {
//another constructor method
manufacturerName=manu;
modelName=model;
fuelAmount=fuel;
}
public String getManufacturerName(){
// instance method
return manufacturerName;
}
}

Output:

Car manufacturer name:
modelname of my car: Corolla

Screenshots

program 1:

program 2:

output

Project Two for Java: Pascal's Triangle

Program:

package fourthlecture;

import java.util.Scanner;

public class Pascaltriangle {
static Scanner sc=new Scanner(System.in);
public static void main(String[] args) {
System.out.println("Enter -1 to exit ");
System.out.println("Please give a number which you convert pascal triangle: ");
int yourchoice=sc.nextInt();
while(yourchoice !=-1){
if(yourchoice <-1 || yourchoice>20){
System.out.println("Please input a value between 1~20 ");
yourchoice=sc.nextInt();
continue;
}
pascaltrianglee(yourchoice);
System.out.println("\n\n");
System.out.println("Please input a value between 1~20 ");
yourchoice=sc.nextInt();

}

System.out.println("You have exited the program.");

}

static void pascaltrianglee(int length){
int[][] pascal = new int[length][length];
for(int i=0;i<length;i++){
pascal[0][i]=1;
pascal[i][0]=1;
}


for(int row=1;row<length;row++){
for(int column=1;column<length-row;column++){
pascal[row][column]=pascal[row][column-1]+pascal[row-1][column];
}
}


for(int row=0;row<length;row++){
for(int column=0;column<length-row;column++){
System.out.print(pascal[row][column]+"\t");
}

System.out.println("\n");
}
}
}

Output:

Enter -1 to exit
Please give a number which you convert pascal triangle:
5
1 1 1 1 1

1 2 3 4

1 3 6

1 4

1




Please input a value between 1~20
6
1 1 1 1 1 1

1 2 3 4 5

1 3 6 10

1 4 10

1 5

1




Please input a value between 1~20
-1
You have exited the program.

Screenshots

program 1

Program:2

Output

Project One for Java : Bookstore For Purchase Book By Perchase

Program:

package firstclass;

import java.util.Scanner;

public class Bookstor {
static Scanner sc = new Scanner(System.in);
static String[] books={"java","c","python"};
static final double ForTeacher=0.5;
static final double ForStudent=0.3;
static final double ForAlien=0.1;
public static void main(String[] args) {

System.out.println("---------------------Welcome to our bookstore------------------");


System.out.println("Which book do you want to purchase??\nAns: ");
String yourchoice=sc.nextLine();

if(books[0].toLowerCase().equals(yourchoice.toLowerCase())){
System.out.println("----You are opted for " +books[0]+ " book-----");
WhichPerson(books[0]);
}else if(books[1].toLowerCase().equals(yourchoice.toLowerCase())){
System.out.println("----You are opted for " +books[1]+ " book-----");
WhichPerson(books[1]);
}else if(books[2].toLowerCase().equals(yourchoice.toLowerCase())){
System.out.println("----You are opted for " +books[2]+ " book");
WhichPerson(books[2]);
}else{
System.out.println("------Sorry your expected book is not available here---------");
}
}
static void WhichPerson(String great){
System.out.println("----Are you teacher,student or alien??\nAns: ");
double price=200;

String mychoice=sc.nextLine();
if(mychoice.toLowerCase().equals("teacher")){
price=price-(price*ForTeacher);
totalprice(price);
}else if(mychoice.toLowerCase().equals("student")){
price=price-(price*ForStudent);
totalprice(price);
}else if(mychoice.toLowerCase().equals("alien")){
price=price-(price*ForAlien);
totalprice(price);
}else{
System.out.println("-----Sorry you are not in this group.So get lost from here-----");
}

}
static void totalprice(double pri){
System.out.println("The total price of your selected book is: "+pri);
System.out.println("------Thank you for shopping--------");
}

}

Output:

---------------------Welcome to our bookstore------------------
Which book do you want to purchase??
Ans:
python
----You are opted for python book
----Are you teacher,student or alien??
Ans:
teacher
The total price of your selected book is: 100.0

------Thank you for shopping--------

Screenshots

Program:1

Program : 2

Output

Creating Array List With Scanning In Java

Program:

import java.util.Scanner;
public class practice {
public static void main(String[] args){
int[] public_ara=new int[100];
System.out.println("Enter some numbers: ");
Scanner in=new Scanner(System.in);
for(int j=0;j<5;j++){
public_ara[j]=in.nextInt();
}
System.out.println("Serial\taralist");

for(int i=0;i<5;i++){
System.out.println(i + "\t" +public_ara[i]);
}

}
}

Output:

Enter some numbers: 
15
13
54
21
62
Serial aralist
0 15
1 13
2 54
3 21
4 62

ScreenShot

Program

Output

Convert Fahrenheit to Celsius In Java

Program:

import java.util.Scanner;
public class f2c {
public static void main(String[] arrgs){
Scanner in=new Scanner(System.in);
double x,result;
System.out.println("Enter temperature in farenhiet: ");

x=in.nextDouble();
result=((x-32)*5)/9;
System.out.println("The temperature converts into celcius and that is: "+result);

}

}

Output:

Enter temperature in farenhiet:
278.15
The temperature converts into celcius and that is: 136.75

Screenshots

Program

Output

Print Odd or Even Number In java

Program:

package odd_or_even;
import java.util.Scanner;
public class jor_bijor {
public static void main(String[] args){
Scanner in = new Scanner(System.in);
int x;
System.out.println("Enter a number to check: ");
x=in.nextInt();

if(x % 2==0){
System.out.println("The number is even");
}
else{
System.out.println("The number is odd");
}
}
}

Output:

Enter a number to check:
15
The number is odd

Program

Output

GUI==>Graphical User Interface In Java

Program:

package java_tutorial_1;

import javax.swing.JOptionPane;
public class gui {
public static void main(String[] args){
String fn=JOptionPane.showInputDialog("Enter first number: ");
String sn=JOptionPane.showInputDialog("Enter second number: ");

int num1=Integer.parseInt(fn);
int num2=Integer.parseInt(sn);

int res=num1+num2;
JOptionPane.showMessageDialog(null,"answer "+ res,"title", JOptionPane.PLAIN_MESSAGE);
}

}

Screenshots

Program

Output 1

Output 2

Output 3

Add variables using for loop In Java

Program:

package sum_project;
import java.util.Scanner;
public class summation {
public static void main(String[] args){
Scanner moni=new Scanner(System.in);
int userinput;
int sum=0;

System.out.println("Enter a number: ");
userinput=moni.nextInt();
if(userinput<0){
System.out.println("there are no number : ");
}
else{
for(int i=1;i<=userinput;i++){
sum=sum+i;
}
}
System.out.println("The sum is: "+sum);
}

}

Output:

Enter a number: 
20
The sum is: 210

Screenshot:

Program:

Output:

Mini Project Word Ripp In Java Language

Program:

package wordgame;
import java.util.Scanner;
public class word {
public static void main(String[] args){

String name;
String city;
String district;
String fathername;
String mothername;
String schoolname;
String thana;

Scanner moni=new Scanner(System.in);
System.out.println("Enter your name: ");
name=moni.nextLine();

System.out.println("Enter your city name: ");
city= moni.nextLine();
System.out.println("Enter your district name: ");
district=moni.nextLine();
System.out.println("Enter father name: ");

fathername=moni.nextLine();
System.out.println("Enter your mother name: ");
mothername=moni.nextLine();

System.out.println("Enter your school name: ");
schoolname=moni.nextLine();
System.out.println("Enter your thana name: ");
thana=moni.nextLine();
System.out.println("My name is "+name+ "."+
" I live in "+city+"."+" My father's name is "+fathername+"."+" My mother's name is "
+mothername+ "."+" My school name was "+schoolname+"."+" My district name is                              "+district+"."+
" And the thana is "+thana+".");
}

}
Output:

Enter your name: 
jack
Enter your city name: 
Naraingonj
Enter your district name: 
Dhaka
Enter father name: 
Redclief
Enter your mother name: 
Belly
Enter your school name: 
Udaigar school
Enter your thana name: 
Dhaka
My name is jack. I live in Naraingonj. My father's name is Redclief. My mother's
 name is Belly. My school name was Udaigar school. My district name is Dhaka. An
d the thana is Dhaka.

Screenshots:

Program:

Output:

Mini project Miles per gallon In Java Language

Program:

package milespergalon;
import java.util.Scanner;
  //class method
public class mpg {
//main method
public static void main(String[] args){
double miles_used;
double galon_used;
double mile_per_galon;

Scanner moni=new Scanner(System.in);
System.out.println("How many miles you have driven: ");

miles_used=moni.nextDouble();
System.out.println("How many galons you have used: ");

galon_used=moni.nextDouble();

mile_per_galon=miles_used/galon_used;

System.out.println("Here this is your main result miles per galon is 25" + mile_per_galon);


}

}

Output:

How many miles you have driven: 
30
How many galons you have used: 
12
Here this is your main result miles per galon is 2.5

Screenshot

Program

Output By input Value 30&12

Multiple Class In Java

Program:

package nulticlass;

public class multi {
public static void main(String[] args){
multa object=new multa();
object.mela();
object.another_mela();
}
}

public class multa {
public void mela(){
System.out.println("here this is multi class in this program");
}
public void another_mela(){
int a=12,b=48,result=a+b;
System.out.println("the output of the method is "+ result);
}

}

Output:

here this is multi class in this program

the output of the method is 60

Screenshot

Program

Step 1:class

Step 2:Another class

Output

Print Asterisk In Java By increment operator

Program:

package prem1;

public class mohona1 {
public static void main(String[] args){
for(int i=1;i<5;i++){
for(int j=0;j<5-i;j++){
System.out.print(" ");
}
for(int k=0;k<i;k++){
System.out.print("*");
}
System.out.println(" ");
}
}

}

Output:

      *
    **
  ***
****

Screenshots

Program

Output

Print Stylish Asterisk In Java By increment operator

Program:

package prem6;

public class koresi6 {
public static void main(String[]args){
for(int i=1;i<=5;i++){
for(int j=1;j<=i;j++){
System.out.print("*");
}
System.out.println("");
}
}
}
Increment operator:   i++ and j++

Output:

*
**
***
****
*****

Screenshots

Program

Output

Using Array In Java

Program:

package prem5;

public class koresi5 {
public static void main(String[]args){

int munim[]={12,54,95,68,87,32,45,15};

System.out.println("the 4th number element is " +munim[5]);
}
}

Output:

the 4th number element is 32

Screenshots

Program

Output

Araray In Java

Program:

package prem5;

public class koresi5 {
public static void main(String[]args){
int munim[]=new int[20];

munim[0]=654;
munim[1]=951;
munim[9]=357;

System.out.println(munim[9]);
}
}

Output:

357

Program

Output

Random Number generator In Java

Program:

package prem4;

import java.util.Random;

public class koresi4 {
public static void main(String[]args){
Random trace=new Random ();
int counter;
int number;
for(counter=0;counter<10;counter++){
number=trace.nextInt(8);
System.out.println(number+"");
}
}
}

Output:

2

4

2

3

7

6

3

1

0

3

Screenshots

Program

Output

Mathematical Methods In Java

Program:

package prem3;

public class koresi3 {
public static void main(String[] args){
System.out.println(Math.abs(-3.8)); //absolute value will be the output
System.out.println(Math.pow(3.3, 2));//here 3.3^2=10.88999999999 
System.out.println(Math.max(294, 654));//here the maximum value will be the output
System.out.println(Math.min(856, 121));//here the minimum value is 121
System.out.println(Math.ceil(9.8));//here 9.8 will be 10
System.out.println(Math.ceil(13.4));//here 13.4 will be 14
System.out.println(Math.floor(45.6));//here 45.6 will be 45
System.out.println(Math.sqrt(225));//sqrt means sqare route so output 15
}
}

Output:

3.8

10.889999999999999

654

121

10.0

14.0

45.0

15.0

Screenshots

Program

Output

Software: Find Interest Using Formula In Java

Software: Find Interest Using Formula In Java: Program: //formula:A=p*(1+r)^n package perm; public class koresi { public static void main(String[]args){ double real=1000; d...