Java Program to print multiplication table up to n numbers

//Program to print multiplication table up to n numbers
import java.util.*;
class mtable
     {
public static void main(String args[])
      {

    int n,m,i,k;
    System.out.println(" Up to which number you want to print tables:");
    Scanner obj=new Scanner(System.in);
    m=obj.nextInt();
    System.out.println("\n Tables upto "+m);
    for(n=1;n<=m;n++)
          {
        for(i=1;i<=10;i++)
         {
           System.out.println("\t"+n+" X "+i+" = "+n*i);
                }
               
         System.out.println("\n");        
         }
         
         
      }
    }

Java Program to print multiplication table of a given number.

//Program to print multiplication table of a given number.
import java.util.*;
class table
     {
public static void main(String args[])
      {

    int n,i;
    System.out.println(" Enter a number to find its multiplication table :");
    Scanner obj=new Scanner(System.in);
    n=obj.nextInt();
    System.out.println("Table of "+n);
    for(i=1;i<=10;i++)
       {
          System.out.println("\t"+n+" X "+i+" = "+n*i);
              }           
      System.out.println( );
      }
     }        

Java Program to sort a list of integers in ascending order

//Program to sort a list of integers in ascending order
import java.util.*;
class ascend
     {
public static void main(String args[])
      {

    int n,i,j,temp;
    int a[]=new int[50];
    System.out.println(" How many numbers you want to sort in Ascending order:");
    Scanner obj=new Scanner(System.in);
    n=obj.nextInt();
    System.out.println(" Enter elements");
    for(i=0;i<n;i++)
        {
        a[i]=obj.nextInt();
        }
    System.out.println(" unsorted array : ");
    for(i=0;i<n;i++)
          {
        System.out.print("\t "+a[i]);
          }
    for(i=0;i<n;i++)
      {
        for(j=0;j<n;j++)
         {
        if(a[j]>a[j+1])
          {
            temp=a[j];
           a[j]=a[j+1];
           a[j+1]=temp;
          }
         }
      }
    System.out.println("\n sorted array in ascending order ");
    for(i=0;i<n;i++)
          {
        System.out.print("\t "+a[i]);
          }
     System.out.println( );
      }
    }

Java Program to sort a list of integers in descending order

//Program to sort a list of integers in descending order
import java.util.*;
class descend
     {
public static void main(String args[])
      {

    int n,i,j,temp;
    int a[]=new int[50];
    System.out.println(" How many numbers you want to sort in descending order:");
    Scanner obj=new Scanner(System.in);
    n=obj.nextInt();
    System.out.println(" Enter elements");
    for(i=0;i<n;i++)
        {
        a[i]=obj.nextInt();
        }
    System.out.println(" unsorted array : ");
    for(i=0;i<n;i++)
          {
        System.out.print("\t "+a[i]);
          }
    for(i=0;i<n;i++)
      {
        for(j=0;j<n;j++)
         {
        if(a[j]<a[j+1])
          {
            temp=a[j];
           a[j]=a[j+1];
           a[j+1]=temp;
          }
         }
      }
    System.out.println("\n sorted array in descending order ");
    for(i=0;i<n;i++)
          {
        System.out.print("\t "+a[i]);
          }
     System.out.println( );
      }
    }

C++ Program to find average of n numbers

//Program to find average of n numbers
#include<iostream>
using namespace std;
int main()
{
    int n,i,a[100];
    float avg,sum=0;
    cout<<"\n Of how many number you want to find average:";
    cin>>n;
        cout<<"\n Enter numbers:"<<endl;
        for(i=0;i<n;i++)
         {
           cin>>a[i];
         }
        for(i=0;i<n;i++)
         {
           sum=sum+a[i];
         }
    avg=sum/n;
    cout<<"\n Average of "<<n<<" numbers is :"<<avg<<endl;
return 0;
}

C++ Program to check a given numbers is positive,negative (or) zero

//Program to check a given numbers is positive,negative (or) zero
#include<iostream>
using namespace std;
int main()
{
    int n;
    cout<<"\n Enter a number:";
    cin>>n;
    if(n<0)
        cout<<"\n Entered number is negative "<<endl;
    else if(n==0)
        cout<<"\n Entered number is Zero "<<endl;
    else
        cout<<"\n Entered number is positive"<<endl;
return 0;
}

Java Program to calculate the discriminant of quadratic equation

//Program to calculate the discriminant of quadratic equation
import java.util.*;
class quadratic
    {
  public static void main(String args[] )
      {
        double a,b,c,k;
        Scanner obj=new Scanner(System.in);
        System.out.println("Enter Co-efficients value");
        a=obj.nextDouble();
        b=obj.nextDouble();
        c=obj.nextDouble;
        k=b*b-4*a*c;
    if(k<0)
        System.out.println("\n It has no real solutions");
    else if(k>0)
        System.out.println("\n It has two real solutions");
    else
        System.out.println("\n It has one real solution");
      }
    }