class Sobuj { public static void main (String args[]) { System.out.println("I am Sobuj this is the 1st program of Java IDE "); System.out.print("2nd Line My University Of Asian Universithy Of Bangladesh"); System.out.println("3rd Line My Batch- 46th"); System.out.println("4th Line My Department :- CSE"); System.out.println("5th Line My ID 201420656\n"); } }
package javaapplication4; import java.util.Scanner; public class JavaApplication4 { public static void main(String[] args) { System.out.println("Fibonaccis Series"); int f1=0; int f2=1; int f; int num; int sum=0; System.out.print("Enter Max Number to be Series : "); Scanner input =new Scanner(System.in); num = input.nextInt(); System.out.println("Fibonaccis Series form 1 to " +num ); while(f1+f2<num) { f=f1+f2; System.out.print(+f+ " + "); f2=f1; f1=f; } } }
Q:Define necessary instance variable but do not use method package calculator; import java.util.Scanner; public class calculator {
public static void main(String[] args) { Scanner input = new Scanner(System.in); float M,N,sum,sub,mul,div,mod; int choose;
System.out.print("Enter two digit M & N : "); M = input.nextFloat(); N = input.nextFloat();
System.out.println("1 for Add, 2 for sub, 3 for mul, 4 for div, 5 for modulus"); System.out.print("Enter your chooce : "); choose = input.nextInt(); switch(choose) { case 1: sum = M+N; System.out.println("+M+" & "+N+ " is : " +sum); break; case 2: sub = M-N; System.out.println("+M+" & "+N+ " is : " +sub); break; case 3: mul = M*N; System.out.println("+M+" & "+N+ " is : " +mul); break; case 4: div = M/N; System.out.println("+M+" & "+N+ " is : " +div); break; case 5: mod = M%N; System.out.println("+M+" & "+N+ " is : " +mod); break; default: System.out.println("Enter right option"); } } }
Q:Do not use parameter and return value from Method
package Calculate; import java.util.Scanner; class Interest { double principle,rate,period,amount; interest() { amount = ((principle*period)*(rate/100)); System.out.println("The result is :" +amount); } } public class Calculate { public static void main(String[] args) { Interest si= new Interest(); Scanner in=new Scanner(System.in); System.out.print("The value of Principle :"); si.principle=in.nextDouble(); System.out.print("The value of Period :"); si.period=in.nextDouble(); System.out.print("The value of rate :"); si.rate=in.nextDouble(); si.interest(); }
Q:Use Method. Do not use parameter. Return value from Method to the Main function package Inverse; import java.util.Scanner; class number { int sum=0; int getValue() { return sum; } }
public class Inverse { public static void main(String[] args) { Scanner s=new Scanner(System.in); number n=new number(); int x,Inv=0,num,sum=0; System.out.print("Enter the integer number : "); x=s.nextInt(); num=x; while( num!=0) { Inv=Inv*100; Inv=Inv+num%100; num=num/100; sum+=Inv; } System.out.println("After Inverse :" +Inv);
double result=n.getValue(); System.out.println("The sum of Inverse number is :" +sum); }
Q:Write a Java Program to Count the Number of Vowels in a given string. Use Constructor, Instances and Method, if necessary. Do not use any parameter with Constructor.
Q:Write a Java Program to swap digits from a given integer number. Use Constructor with parameter. Use necessary method and instance, if required.
package Swap; import java.util.Scanner;
class Swapnum { int N; Swapnum(int digit) { N=digit; } int get_Swap() { int swa = 0; int remainder = 0; do{ remainder = N%20; swa = swa*20 + remainder; N = N/20; } while(N > 0); return swa; } } public class Swap { public static void main(String args[]) { Scanner input =new Scanner(System.in); int N; System.out.println("Please enter N to be Swap using Parameterized Constructor: "); N = input.nextInt(); Swapnum r =new Swapnum(N); System.out.println("After Swap : "+r.get_Swap()); } }
class Sobuj
ReplyDelete{
public static void main (String args[])
{
System.out.println("I am Sobuj this is the 1st program of Java IDE ");
System.out.print("2nd Line My University Of Asian Universithy Of Bangladesh");
System.out.println("3rd Line My Batch- 46th");
System.out.println("4th Line My Department :- CSE");
System.out.println("5th Line My ID 201420656\n");
}
}
System.out.println
ReplyDeletepackage Scan
input Java.util.Scanner
public class Scan
{
public static void main (String[] args)
{
int x,y,z;
Scanner.inp=new Scanner(System in)
}
x=uinp.next int();
y=uinp.next int();
z=x+y;
System.out.println("the addition of z");
}
}
Mohammad Ashraful Hasan Sobuj
ReplyDeleteMy Batch- 46th
My Department :CSE
My ID 201420656
package firstlover
public class FirstLover
}
public static void main(string[] args)
{
int first_lover, second_lover, answer;
first_lover = 100;
second_lover = 50;
answer = first_lover + second_lover;
System.out.println("Addition Total = " + answer );
}
package javaapplication4;
ReplyDeleteimport java.util.Scanner;
public class JavaApplication4 {
public static void main(String[] args) {
System.out.println("Fibonaccis Series");
int f1=0; int f2=1; int f;
int num; int sum=0;
System.out.print("Enter Max Number to be Series : ");
Scanner input =new Scanner(System.in);
num = input.nextInt();
System.out.println("Fibonaccis Series form 1 to " +num );
while(f1+f2<num)
{
f=f1+f2;
System.out.print(+f+ " + ");
f2=f1;
f1=f;
}
}
}
Q:Define necessary instance variable but do not use method
ReplyDeletepackage calculator;
import java.util.Scanner;
public class calculator {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
float M,N,sum,sub,mul,div,mod;
int choose;
System.out.print("Enter two digit M & N : ");
M = input.nextFloat();
N = input.nextFloat();
System.out.println("1 for Add, 2 for sub, 3 for mul, 4 for div, 5 for modulus");
System.out.print("Enter your chooce : ");
choose = input.nextInt();
switch(choose)
{
case 1:
sum = M+N;
System.out.println("+M+" & "+N+ " is : " +sum);
break;
case 2:
sub = M-N;
System.out.println("+M+" & "+N+ " is : " +sub);
break;
case 3:
mul = M*N;
System.out.println("+M+" & "+N+ " is : " +mul);
break;
case 4:
div = M/N;
System.out.println("+M+" & "+N+ " is : " +div);
break;
case 5:
mod = M%N;
System.out.println("+M+" & "+N+ " is : " +mod);
break;
default:
System.out.println("Enter right option");
}
}
}
Q:Do not use parameter and return value from Method
ReplyDeletepackage Calculate;
import java.util.Scanner;
class Interest
{
double principle,rate,period,amount;
interest()
{
amount = ((principle*period)*(rate/100));
System.out.println("The result is :" +amount);
}
}
public class Calculate
{
public static void main(String[] args)
{
Interest si= new Interest();
Scanner in=new Scanner(System.in);
System.out.print("The value of Principle :");
si.principle=in.nextDouble();
System.out.print("The value of Period :");
si.period=in.nextDouble();
System.out.print("The value of rate :");
si.rate=in.nextDouble();
si.interest();
}
}
Q:Use Method. Do not use parameter. Return value from Method to the Main function
ReplyDeletepackage Inverse;
import java.util.Scanner;
class number
{
int sum=0;
int getValue()
{
return sum;
}
}
public class Inverse
{
public static void main(String[] args)
{
Scanner s=new Scanner(System.in);
number n=new number();
int x,Inv=0,num,sum=0;
System.out.print("Enter the integer number : ");
x=s.nextInt();
num=x;
while( num!=0)
{
Inv=Inv*100;
Inv=Inv+num%100;
num=num/100;
sum+=Inv;
}
System.out.println("After Inverse :" +Inv);
double result=n.getValue();
System.out.println("The sum of Inverse number is :" +sum);
}
}
Q:Use Method with Parameter and return value to the Main function
ReplyDeletepackage principalnum;
class barrier
{
int ask,last,inp,sum,count;
int sumValue(int A,int L)
{
ask=A;
last=L;
for(inp=ask;inp<=last;inp++)
{
int P=1;
for(int i=2;i<inp;i++)
{
if(inp%i==0)
{
P=0;
break;
}
}
if(P==1)
{
sum+=inp;
count++;
}
}
System.out.println("Principal is " + count);
return sum;
}
}
public class principalnum
{
public static void main(String[] args)
{
barrier bb=new barrier();
int A=11,L=12;
double result=bb.sumValue(A,L);
System.out.println("the sum is:"+result);
}
}
Q:Write a Program Java using constractor :
ReplyDeletepackage cons;
class sobuj
{
double width;
double height;
double depth;
sobuj( double w, double h, double d)
{
width=w;
height=h;
depth=d;
}
double volume()
{
return width*height*depth;
}
}
public class cons {
public static void main(String[] args) {
// TODO code application logic here
sobuj mybox1 = new sobuj(15,16,18);
sobuj mybox2 = new sobuj(25,26,28);
double vol;
vol = mybox1.volume();
System.out.println("Volume of box1 is: " +vol);
vol = mybox2.volume();
System.out.println("\nVolume of box2 is: "+vol);
System.out.println();
}
}
Q:Write a Java Program to Count the Number of Vowels in a given string. Use Constructor,
ReplyDeleteInstances and Method, if necessary. Do not use any parameter with Constructor.
package vowel;
import java.util.Scanner;
class CountVowels
{
int count =0;
String ss;
CountVowels()
{
ss="Dhaka" ;
}
void get()
{
for (int i = 0; i < ss.length(); i++)
{
char ch = ss.charAt(i);
if (ch == 'a' || ch == 'e' || ch == 'i' ||
ch == 'o' || ch == 'u' || ch == 'A' ||
ch == 'E' || ch == 'I' || ch == 'O' ||
ch == 'U')
count++;
}
System.out.println("Enter String is " + ss);
System.out.println("Number of vowel of "+ss+ " is : " + count);
}
}
public class vowel{
public static void main(String[]args){
CountVowels vol = new CountVowels();
vol.get();
}
}
Q:Write a Java Program to swap digits from a given integer number.
ReplyDeleteUse Constructor with parameter.
Use necessary method and instance, if required.
package Swap;
import java.util.Scanner;
class Swapnum
{
int N;
Swapnum(int digit)
{
N=digit;
}
int get_Swap()
{
int swa = 0;
int remainder = 0;
do{
remainder = N%20;
swa = swa*20 + remainder;
N = N/20;
}
while(N > 0);
return swa;
}
}
public class Swap
{
public static void main(String args[])
{
Scanner input =new Scanner(System.in);
int N;
System.out.println("Please enter N to be Swap using Parameterized Constructor: ");
N = input.nextInt();
Swapnum r =new Swapnum(N);
System.out.println("After Swap : "+r.get_Swap());
}
}