BSC IT PRACTICALS

Friday, February 9, 2018

Designed a class SortData that contains the method asec() and desc() in java

SME4 February 09, 2018 3

import java.util.*;
class prac4A
{
Scanner input=new Scanner(System.in);
int num,i;
int arr[];
int temp=0;
public void getdata()
{
System.out.print("Enter the size of array: ");
num=input.nextInt();
arr=new int[num];
System.out.print("Enter the number: ");
for( i=0;i<num;i++)
{
arr[i]=input.nextInt();
}
}
void putdata()
{
System.out.print("Given numbers are: ");
for(i=0;i<num;i++)
{
System.out.println(arr[i]);
}
}
void asce()
{
for(i=0;i<num;i++)
{
for(int j=i+1;j<num;j++)
{
if(arr[i]>arr[j])
{
temp=arr[i];
arr[i]=arr[j];
arr[j]=temp;
}
}
}
System.out.print("Ascending order of number are: ");
for(int i=0;i<num;i++)
{
System.out.println(arr[i]);
}
}
void desc()
{
for(i=0;i<num;i++)
{
for(int j=i+1;j<num;j++)
{
if(arr[i]<arr[j])
{
temp=arr[i];
arr[i]=arr[j];
arr[j]=temp;
}
}
}
System.out.print("Descending order of number are: ");
for(int i=0;i<num;i++)
{
System.out.println(arr[i]);
}
}
public static void main(String args[])
{
prac4A ob=new prac4A();
ob.getdata();
ob.putdata();
ob.asce();
ob.desc();
}
}

Write a java program to demonstrate the implementation of abstract class.

SME4 February 09, 2018 1

import java.util.Scanner;
abstract class test
{
abstract void get();
}
class test1 extends test
{
void get()
{
int a,b;
Scanner ob=new Scanner(System.in);
System.out.print("Enter 1st Number: ");
a=ob.nextInt();
System.out.println("Enter 2st Number: ");
b=ob.nextInt();
System.out.println("Addition is: "+(a+b));
}
}
class prac4C
{
public static void main(String args[])
{
test1 obj=new test1();
obj.get();
}
}

Designed a class that demonstrates the use of constructor and destructor in java

SME4 February 09, 2018 32

class xyz
{
xyz()
{
System.out.println("Constructor method........");
}
protected void finalize()
{
System.out.print("Garbage Collected.....");
}
}
class prac4B
{
public static void main(String args[])
{
xyz ob=new xyz();
ob=null;
System.gc();
}
}

Friday, January 19, 2018

Java function that calculates the sum of digits for a given char array consisting of the digits '0' to '9'. The function should return the digit sum as a long value

SME4 January 19, 2018 0

CODE:

import java.util.*;
class prac3B
{
public static void main(String args[])
{
Scanner ob=new Scanner(System.in);
System.out.print("Enter the any string: ");
String s=ob.nextLine();
count(s);
}

public static void count(String str)
{
int sum=0;
int d=0;
char ch[]=str.toCharArray();
for(int i=0;i<str.length();i++)
{
if(Character.isDigit(ch[i]))
{
sum+=Character.getNumericValue(ch[i]);
}

}
System.out.println("Your addtion is: "+sum);
}
}

Find the smallest and largest element from the array in java

SME4 January 19, 2018 0

CODE:

class prac3C
{
public static void main(String args[])
{

int num[]=new int[]{10,20,30,5};
int s=num[0];
int l=num[0];
for(int i=0;i<num.length;i++)
{
if(l<num[i])
{
l=num[i];
}
else
{
s=num[i];
}
}
System.out.println("Largest Number are:"+l);
System.out.println("Smallest number are: "+s);

}}

Java program to count the letters, spaces, numbers and other characters of an input string

SME4 January 19, 2018 1

CODE:
import java.util.*;
class prac3A
{
public static void main(String args[])
{
Scanner input=new Scanner(System.in);
System.out.print("Enter A String: ");
String str=input.nextLine();
int letter=0,space=0,digit=0,other=0;
char ch[]=str.toCharArray();
for(int i=0;i<str.length();i++)
{
if(Character.isLetter(ch[i]))
{
letter++;
}
else if(Character.isDigit(ch[i]))
{
digit++;
}
else if(Character.isSpaceChar(ch[i]))
{
space++;
}
else{
other++;
}
}
System.out.println("Letter are: "+letter);
System.out.println("Space are: "+space);
System.out.println("Digit are: "+digit);
System.out.println("Other: "+other);
}

}

Thursday, January 18, 2018

OOPS Write a program to demonstrate function definition outside class and accessing class members in function definition.

OOPS January 18, 2018 3

CODE:

#include<iostream.h>
#include<conio.h>

class fibo
{
public:
void fibonacci();
};

void fibo::fibonacci()
{
int t1 = 0, t2 = 1, nextTerm = 0, n;

cout << "\nEnter a positive number to calculate \nthe Fibonacci series upto entered number: ";
cin >> n;
cout << "\nFibonacci Series: " << t1 << ", " << t2 << ", ";

nextTerm = t1 + t2;

while(nextTerm <= n)
{
cout << nextTerm << ", ";
t1 = t2;
t2 = nextTerm;
nextTerm = t1 + t2;
}
}

void main()
{
clrscr();
fibo ob;
ob.fibonacci();
getch();

}

BSC IT PRACTICALS

Friday, February 9, 2018

Designed a class SortData that contains the method asec() and desc() in java

Write a java program to demonstrate the implementation of abstract class.

Designed a class that demonstrates the use of constructor and destructor in java

Friday, January 19, 2018

Java function that calculates the sum of digits for a given char array consisting of the digits '0' to '9'. The function should return the digit sum as a long value

Find the smallest and largest element from the array in java

Java program to count the letters, spaces, numbers and other characters of an input string

Thursday, January 18, 2018

OOPS Write a program to demonstrate function definition outside class and accessing class members in function definition.

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