write a program to print- improv

8/6/2019 Write a Program to Print- IMPROV

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JAVA PROJECT FILE (X)

Write a program find the charge of Phone bill according to given tariff

Unit Cost/unit

200 1.50

import java.io.*;

class charge

{

public static void main(String[] args)

{int d;

BufferedReader ob= new BufferedReader (new InputStreamRaeder(System.in));

string x=ob.readLine();

u= Integer.parseInt(x);

if (u100&&u200)

float charge = (100*0.80+10*1+(u-200)*1.50);

System.out.println(+charge);}

}

Input :- 50

Output :- 40

Variable Description :

u int take the input from user

charge float store the total charge

STEP -1 WRITE THE CLASS NAME

STEP -2 WRITE THE MAIN IN THE PROGRAM

STEP -3 TAKES THE VALUE FROM THE USER

STEP -4 CALCULATE THE CHARGES

STEP -5 PRINT THE CHARGES

1


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Write a Program to print

1

12

123

1234



STEP -3 FOR LOOP I1 TO 4STEP -4 FOR LOOP J1 TO ISTEP 5 PRINT THE J

class Peramid

{


{

for(int i=1;i


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Write a Program to print

55555

4444

333

22

1


STEP -2 WRITE THE MAIN IN THE PROGRAMSTEP -3 FOR LOOP I5 TO 1STEP -4 FOR LOOP J1 TO ISTEP 5 PRINT THE I

class Peramid

{


{

for(int i=5;i>=1;i--)

{

for(int j=5;j


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JAVA PROJECT FILE (X)j int use in inner for loop

Write a program to print all prime number between 1 to 20



STEP -3 FOR LOOP N1 TO 20STEP -4 C 0STEP -5 FOR LOOP I1 TO NSTEP -6 IF C=2

STEP 7 PRINT THE N

import java.io.*;

class Prime

{

public static void main(String args[])

{

int n ;

for (n=1;n


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n int use in outer for loop

i int use in inner for loop

c int act as a counter variable.

Write a program to print out how many number of uppercase ,lowercase , and digit present in the

given string .



STEP -3 L = S.LENTH()

STEP -4 V,G,D,S1 0STEP -5 FOR LOOP I1 TO NSTEP -6 IF(H65 TO 90) V V+1STEP -7 IF(H97 TO 122) L L+1STEP -8 IF(H48 TO 57) D D+1STEP -9 ELSE S1 S1+1STEP -10 PRINT THE V,L,D,S1

import java.lang.*;

class Address

{


{String s="My address is B/139,Aliganj,Lucknow-266006";

int l=s.length();

int u=0,g=0,d=0,s1=0;

for(int i=0;i=65&&h=97&&h=48&&h


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JAVA PROJECT FILE (X)}

}

Output :

Upper case=4

Lower case=22Digit=9

Special case= 7


s string store the string

l int stores the length of the string.

i int use for loop

u int act as a counter variable

l int act as a counter variable.

d int act as a counter variable

s1 int act as a counter variablech char store the each character in the string

h int stores the ASCII value of each character.

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Write a program replace the a particular word in given string.



STEP -3 L S.LENTH()STEP -4 PS.INDEXOF("GIRL")STEP -5 STS.SUBSTRING(0,P)STEP -6 STRST+"BOY"STEP -7 PRINT THE STR

import java.lang.*;

class Replace

{

public static void main(String args[])

{

String s="I am a girl";

int l=s.length();int P=s.indexOf("girl");

String St=s.substring(0,P);

String str =St+"boy";

System.out.println("output is ");

System.out.println(str);

}

}

Input : I am a girl

Output : output is I am a boy


s string store the string

l int stores the length of the string.P int stores the position that character

St string store the string

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JAVA PROJECT FILE (X)s string store the string

Sum = x1/2+ x2/3+x100/101




STEP -4 SUM0STEP -5 FOR LOOP I1 TO 100STEP -6 SUM SUM + MATH.POW(X,I)/

(I+1)

STEP 7 PRINT THE SUM

import java.io.*;

import java.lang.*;

class series

{

public static void main(String args[]) throws IOException{

int x;

BufferedReader ob = new BufferedReader (new InputStreamReader(System.in));

String y=ob. readLine();

x=Integer.parseInt(y);

float sum = 0;

for(int i= 1;i


9/32


Write a program to takes 2 integer number from user and print they are twinprime or not



STEP -3 TAKES 2 VALUES FROM THE USER

STEP -4 C10, C20STEP -5 FOR LOOP I1 TO A / FOR LOOP I1

TO BSTEP -6 IF C1=2,C2=2,A-B=2,B-A=2

STEP 7 PRINT A,B TWINEPRIME

STEP -8 ELSE

STEP 9 PRINT A,B NOT TWINEPRIME

import java.io.*;

class Twinprime

{

public static void main(String[] args)throws IOException{

int a,b;

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

System.out.println("Enter the 1st no.");

String x=br.readLine();

a=Integer.parseInt(x);

System.out.println("Enter the 2nd no.");

String y=br.readLine();

b=Integer.parseInt(y);

int c1=0;

for(int i=1;i


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JAVA PROJECT FILE (X)System.out.print(+b);

System.out.print("are twin prime");

}

else

System.out.print("are not twin prime");

}

}

Input : Enter the 1st no : 11

Enter the 2nd no :13

Output : 11,13 are twin prime


i int use for loop

c1 int act as a counter variable

c2 int act as a counter variable.

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Write a program to takes a integer number from user and print they are palprime or not



STEP -3 TAKES VALUE FROM THE USER

STEP -4 REV0, C20, XASTEP -5 WHILE (A>0)

STEP -6 INT R A % 10STEP 7 REV REV*10 +RSTEP -8 INT Q A/10STEP 9 A QSTEP 10 IF REV= X

STEP -11 FOR LOOP I1 TO XSTEP -12 IF C1=2,C2=2,A-B=2,B-A=2

STEP 13 PRINT A,B TWINEPRIME

STEP -14 ELSE

STEP 15 PRINT A,B NOT TWINEPRIME

import java.io.*;

class palprime

{

public static void main(String[] args) throws IOException

{

int x;

BufferedReader ob = new BufferedReader(new InputStreamReader(System.in));

String y=ob.readLine();

x=Integer.parseInt(y);

int a = x;

int rev = 0, c =0;

while (a>0)

{

int r = a % 10;

rev = rev*10 +r;

int q = a/10;

a = q;

}

if (x == rev)

{ for( int j =1;j


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JAVA PROJECT FILE (X)c = c+1;

}

if(c = =2)

{

System.out.print(+x );

System.out.print("is palprime");}

else

{

System.out.print("notpalprimr");

}

}


j int use for loop

c int act as a counter variable

rev int store the reverse valueq int store the quosent value

r int store the remainder value

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Write a program to takes any number from user and print each digit in alphabetically




STEP -4 R=W%10

STEP -5 SWITCH(R)STEP 7 PRINT THE OUTPUT

import java.io.*;

class Word

{

public static void main(String[] args) throws IOException

{

int w;

BufferReader bf=new BufferdReader(new InputStreamReader (System .in));

System.out.println("Enter the no.");String x =bf.readLine();

w= Integer.parseInt(x);

int r=w%10;

string z;

switch(r);

{

case 0:z="zero";

break;

case 1:z="one";

break;

case 2:z="two"

break;

case 3:z="three";

break;

case 4:z="four";

break;

case 5:z="five"

break;

case 6:z="six";

break;

case 7:z="seven";break;

case 8:z="eight"

break;

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JAVA PROJECT FILE (X)case 9:z="nine";

break;

default: System.out.println("the value is not matching" );

}

System.out.println(z);

}

}

Input : Enter the no : 17

Output : seven

one


z string store the string

r int store the remainder value

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WAP to enter any block and print how many sentence, vowel, word present in each string

STEP 1 START THE CLASS

STEP 2 START THE MAIN

STEP 3 ENTER THE BLOCK

STEP 4 SNS+ STEP 5 LSN.LENGTH()STEP 6 V0,W0,ST0STEP 7 FOR(INT I=0;I


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JAVA PROJECT FILE (X)}

else if (ch==' ')

W=W+1

}

else

{

st= st+1;System.out.println(+st" "+V" "+W);

V=0;

W=0;

}

}

}

Input : java is a programming language. BlueJ run java program.

Output: sentence vowel word1 11 5

2 7 4


S,Sn string store the string

l int stores the length of the string.

V,W,st int act as a counter variable.

ch char store the each character in the string

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Write a program to find the factorial of a number using recursive function


STEP 2 START THE FUNCTION (INT F)

STEP 3 IF F = 0 RETURN 0

STEP 4 ELSE IF F =1 RETURN 1STEP 5 ELSE RETURN F*FACT(F-1)


STEP 7 ENTER THE VALUES FROM THE USER

STEP 8 PASS THE PARAMITER THROUGH FUNCTION

STEP 9 PRINT THE OUTPUT

import java.io.*;

class recursion

{

int fact(int f)

{

if(f==0)

return 0;

else

if(f==1)

return 1;

else

return f*fact(f-1);

}

public static void main(String args[])throws IOException{BufferedReader ob=new BufferedReader(new InputStreamReader(System.in));

recursion r=new recursion();

System.out.println(Enter any number);

int n=Integer.parseInt(ob.readLine());

int f=r.fact(n);

System.out.println(Factorial of the number is : +f);

}

}

Output

Enter any number5

Factorial of the number is : 120

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Write a program to create a single dimensional array of n element and print the array elements in

reverse order.


STEP 2 START THE MAINSTEP 3 ENTER THE LENTH OF SINGAL

DIAMENTION ARRAY

STEP 4 ENTER THE VALUES

STEP 5 FOR I N-1 TO 0STEP 6 PRINT I

import java.io.*;

class array

{

public static void main(String args[])throws IOException

{

BufferedReader ob=new BufferedReader(new InputStreamReader(System.in));

int n,i;

int ar[]=new int[100];

System.out.println(Enter the length of the array :);

n=Integer.parseInt(ob.readLine());

System.out.println(Enter +n+ Elements :);

for(i=0;i=0;i--)

{

System.out.print(ar[i]+ );

}

}

}

Output

Enter the length of the array: 5Enter 5 elements

12

23

19


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JAVA PROJECT FILE (X)34

45

56

Array in reverse order

56 45 34 23 12

Variable Description :n int stores the length of the array.

i int stores all numbers from n-1 to 0, act as a counter variable.

ar[] int Stores n elements.

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WAP to create an array of n elements. Enter a number to search in array if found print its position in

list else print element not found. (Use linear search technique).



STEP 3 ENTER THE LENTH OF SINGALDIAMENTION ARRAY


STEP 5 ENTER THE SEARCH VALUE

STEP 6 FOR I 0 TO NSTEP 7 IF AR[I] = VALUE

STEP 8 POSITION ISTEP 9 PRINT POSITION

STEP 10 PRINT VALUE

import java.io.*;

class array

{


{


int n,I,num,flag=0;




System.out.println(Enter +n+ Elements :);for(i=0;i


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JAVA PROJECT FILE (X)if(flag==1)

System.out.println(The number is found at position :+(i+1));

else

System.out.println(The number is not found);

}

}

Output

Enter the length of the array: 5

Enter 5 elements

12

23

34

45

56

Enter a number to be Searched : 34The number is found at position : 3

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WAP to create an array of n elements. Enter a number to search in array if found print its position in

list else print element not found. (Use Binary search technique).



STEP 3 ENTER THE LENTH OF SINGALDIAMENTION ARRAY


STEP 5 ENTER THE SEARCH VALUE

STEP 6 FOR I 0 TO NSTEP 7 IF AR[I] = VALUE

STEP 8 POSITION ISTEP 9 PRINT POSITION

STEP 10 PRINT VALUE

STEP 11 ELSE

STEP 12 NOT FOUND THE ENTERED NUMBER

import java.io.*;

class array

{


{


int n,I,U,mid,num,flag=0;


System.out.println(Enter the length of the array :);n=Integer.parseInt(ob.readLine());


for(i=0;i


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JAVA PROJECT FILE (X){

flag=1;

break;

}

else if(ar[mid]>num)

{

U=mid-1;}

else

{

L=mid+1;

}

}

if(flag==1) System.out.println(The number is found at position :+(mid+1));

else System.out.println(The number is not found);

}

}

Output

Enter the length of the array: 5

Enter 5 elements

12

23

34

45

56

Enter a number to be Searched : 34

The number is found at position : 3


n int stores the length of the array.

ar[] int Stores n elements.

num int Store the number inputted by the user to search.

flag int Status variable becomes 1 when the number if found else 0.

L int Store the value of upper bound.

U int Store the value of Lower bound.

Mid int Stores the middleposition of the array.

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WAP to create an array of n elements and print the array in ascending order using using bubble sort

technique.


STEP 2 START THE MAINSTEP 3 ENTER THE LENTH OF SINGAL DIAMENTION

ARRAY


STEP 5 TEMP 0STEP 6 FOR I 0 TO NSTEP 7 FOR J 0 TO N-ISTEP 8 IF(AR[J]>AR[J+1])

STEP 9 TEMPAR[J]STEP 10 AR[J]AR[J+1]STEP 11 AR[J+1]TEMPSTEP 12 PRINT THE ARRAY IN SORTED ORDER

import java.io.*;

class array

{


{


int n,i,j,temp;

int ar[]=new int[100];System.out.println(Enter the length of the array :);



for(i=0;i


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JAVA PROJECT FILE (X)temp=ar[j];

ar[j]=ar[j+1];

ar[j+1]=temp;

}}}

System.out.println(Sorted array is :);

for(i=0;i


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WAP create an array of n elements and print the array in ascending order using selection sort

technique.

STEP 1 START THE CLASSSTEP 2 START THE MAIN

STEP 3 ENTER THE LENTH OF SINGAL DIAMENTION

ARRAY


STEP 5 TEMP 0STEP 6 FOR I 0 TO NSTEP 7 FOR J I+1 TO NSTEP 8 IF(AR[J]>AR[J+1])

STEP 9 TEMPAR[J]STEP 10 AR[J]AR[J+1]STEP 11 AR[J+1]TEMPSTEP 12 PRINT THE ARRAY IN SORTED ORDER

import java.io.*;

class array

{


{


int n,i,j,temp;int ar[]=new int[100];




for(i=0;i


28/32

JAVA PROJECT FILE (X){

temp=ar[i];

ar[i]=ar[j];

ar[j]=temp;

}

}

}}

System.out.println(Sorted array is :);

for(i=0;i


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Program to create an array of n elements and print the sum of all elements.

STEP 1 START THE CLASSSTEP 2 START THE MAIN

STEP 3 ENTER THE LENTH OF SINGAL DIAMENTION

ARRAY


STEP 5 SUM 0STEP 6 FOR I 0 TO NSTEP 7 SUMSUM+ AR[I]STEP 8 PRINT THE SUM

import java.io.*;

class array

{


{


int n,i,sum=0;




System.out.println(Enter +n+ Elements :);for(i=0;i


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JAVA PROJECT FILE (X)30

40

50

Sum is : 150


n int stores the length of the array.ar[] int Stores n elements.

i int stores all numbers from 1 to n, act as a counter variable.

sum int Store the sum of n elements.

WAP implement function Overloading.

STEP 1 START THE CLASSSTEP 2 START THE FUNCTION (DOUBLE R)

STEP 3 START THE FUNCTION (FLOAT L, FLOAT B)

STEP 4 START THE FUNCTION (FLOAT S)


STEP 6 ENTER THE VALUES FROM THE USER

STEP 7 PASS THE PARAMITER THROUGH FUNCTION

STEP 8 PRINT THE OUTPUT

import java.io.*;

public class overloading

{

float area(double r)

{ return(float)3.14*r*r;

}

float area(float l,float b)

{ return l*b;

}

float area(float s)

{ return s*s;

}public static void main(String args[])throws IOException

{

BufferedReaderob=newBufferedReader(newinputStreamReader(System.in));

overloading o=new overloading();

System.out.println(1.Area of circle);

System.out.println(2.Area of rectangle);

System.out.println(3.Area of square);

System.out.println(Enter your choice);

int ch=Integer.parseInt(ob.readLine());

float a=0;switch(ch)

{

case 1:System.out.println(Enter the radius);

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JAVA PROJECT FILE (X)Double r=Double.parseDouble(ob.readLine());

a=o.area(r);

break;

case 2:System.out.println(Enter the length and breadth);

float l=Float.parseFloat(ob.readLine());

float b=Float.parseFloat(ob.readLine());

a=o.area(l,b);break;

case 3: System.out.println(Enter the side);

float s= Float.parseFloat(ob.readLine());

a=o.area(s);

break;

}

System.out.println(The area is+a);

}

}

Output1.Area of circle

2.Area of rectangle

3.Area of square

Enter your choice

1

Enter the radius

4

The area is 50.24

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write a program to print- improv

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