Exercise no. 21

package lord1;


import javax.swing.JOptionPane;


public class lwarray {

public static void main(String[]args)
{
double    array [][] = new double [5][2];
int    colum=5;
int rows=2;
double    high=0;
double    low=0;
int i,j = 0,z=0,loop1=0;
  Integer f=0,location;

for ( i = 0; i <5; i++)
{
for ( j = 0; j <2; j++)
{

      do{
          loop1=0;
          z=0;
     
       
          String user=JOptionPane.showInputDialog(null,"Location"+ "["+ i + " ]" + " " + "["+ j + " ]" +  "Enter number");
       
     
       
      for(int x=0;x< user.length();x++)
          {
              char c = user.charAt(x);
           
              int ascii = (int) c;
       
         
            if((ascii>=48 && ascii<=57))
          {
       
               z=1;
          }
          else
          {
              loop1=1;
          }
       
      
       
      
          }
   
       
         if(z==1 && loop1==0 )
         {
     f =Integer.parseInt(user);
   
      array[i][j] = f;
         }
         else
         {
             JOptionPane.showMessageDialog(null,"Please try Again");
         }
      }
      while(loop1>0 );
}
         
}


int in=0,jn=0,in1=0,jn1=0;

for ( i = 0; i <5; i++)
{
for ( j = 0; j <2; j++)
{
  if(i==0 && j==0)
    {
    high=array[i][j];
    low=array[i][j];
    }   
      if( array[i][j] >= high)
                  {
                    high =  array[i][j] ;
                    in1=i;
                    jn1=j;
                 
                  }
   
                 if(array[i][j] <= low)
                 {
                    low =  array[i][j];
                    in=i;
                    jn=j;
                 }



}


}

JOptionPane.showMessageDialog(null,"Location"+ "["+ in1 + " ]" + " " + "["+ jn1 + " ]" + "High is: " + high + "\n");
JOptionPane.showMessageDialog(null,"Location"+ "["+ in + " ]" + " " + "["+ jn + " ]" + "Low is:" + low);

}
}