ICSE BlueJ Logical Programs 3 // Safalaya - Edu-Social Network cum Personal Learning Network

38. Display the following Design Using Nested Loops:

*
***
*****
*******
*****
***
*

class ast1
{
public static void main(String args[])
{
    int i,j;
    for(i = 1;i< = 5;i++)
    {
      for(j = 1;j< = 40-i;j++)
        System.out.print (" ");
      for(j = 1;j< = i*2-1;j++)
        System.out.print ("*");
      System.out.println ();
    }
    for(i = 4;i> = 1;i--)
    {
      for(j = 1;j< = 40-i;j++)
        System.out.print (" ");
      for(j = 1;j< = i*2-1;j++)
        System.out.print ("*");
      System.out.println ();
    }
}
}

    *
   *+*
*+++*
*+++++*
*+++++++*
*+++++*
*+++*
   *+*
    *

class ast2
{
public static void main(String args[])
{
    int i,j,p = 40;
    for(i = 1;i< = 5;i++,p--)
    {
      for(j = 1;j< = p;j++)
        System.out.print (" ");
      for(j = 1;j< = i*2-1;j++)
      {
        if(j = = 1 || j = = i*2-1)
          System.out.print ("*");
        else
          System.out.print ("+");
      }
      System.out.println ();
    }
    p = p+2;
    for(i = 4;i> = 1;i--,p++)
    {
      for(j = 1;j< = p;j++)
        System.out.print (" ");
      for(j = 1;j< = i*2-1;j++)
      {
        if(j = = 1 || j = = i*2-1)
          System.out.print ("*");
        else
          System.out.ࡰrint("+");
      }
      System.out.println ();
    }
}
}

*
***
*****
*******

class ast3
{
public static void main(String args[])
{
    int i,j;
    for(i = 1;i< = 5;i++)
    {
      for(j = 1;j< = 40-i;j++)
        System.out.print (" ");
      for(j = 1;j< = i*2-1;j++)
        System.out.print ("*");
      System.out.println ("");
    }
}
}

   *
***
*****
*******
*   *
* *
   *

class ast4
{
public static void main(String args[])
{
    int i,j;
    for(i = 1;i< = 5;i++)
    {
      for(j = 1;j< = 40-i;j++)
        System.out.print (" ");
      for(j = 1;j< = i*2-1;j++)
        System.out.print ("*");
      System.out.println ("");
    }
    for(i = 4;i> = 1;i--)
    {
      for(j = 1;j< = 40-i;j++)
         System.out.print (" ");
      for(j = 1;j< = i*2-1;j++)
      {
        if(j = = 1 || j = = i*2-1)
          System.out.print ("*");
        else
          System.out.print (" ");
      }
      System.out.println ("");
    }
}
}

   *
* *
*   *
*     *
*   *
* *
   *

class ast5
{
public static void main(String args[])
{
    int i,j,p = 40;
    for(i = 1;i< = 5;i++,p--)
    {
      for(j = 1;j< = p;j++)
        System.out.print (" ");
      for(j = 1;j< = i*2-1;j++)
      {
        if(j = = 1 || j = = i*2-1)
          System.out.print ("*");
        else
          System.out.print (" ");
      }
      System.out.println ();
    }
    p = p+2;
    for(i = 4;i> = 1;i--,p++)
    {
      for(j = 1;j< = p;j++)
        System.out.print (" ");
      for(j = 1;j< = i*2-1;j++)
      {
        if(j = = 1 || j = = i*2-1)
          System.out.print ("*");
        else
          System.out.print (" ");
      }
      System.out.println ();
    }
}
}

W
WE
WEL
WELC
WELCO
WELCOM
WELCOME

class pro
{
public static void main(String args[])
{
    String x = "WELCOME";
    int i,j;
    int l = x.length();
    for(i = 0;i< = l;i++)
    {
      for(j = 0;j<i;j++)
        System.out.print (x.charAt(j));
      System.out.println ();
    }
}
}

A
Am
Ami
Amit
Amita
Amitab
Amitabh

class amitabh
{
public static void main(String args[])
{
    String x = "Amitabh";
    int i,j;
    for(i = 0;i< = x.length();i++)
    {
      for(j = 0;j<i;j++)
        System.out.print (x.charAt(j));
      System.out.println ();
    }
}
}

A
BB
CCC
DDDD
EEEEEE

class alpha1
{
public static void main(String args[])
{
    int i,j,a = 65;
    for(i = 1;i< = 5;i++,a++)
    {
      for(j = 1;j< = i;j++)
        System.out.print ((char)a);
      System.out.println ();
    }
}
}

A
AB
ABC
ABCD
ABCDE

class alpha2
{
public static void main(String args[])
{
    int i,j,a;
    for(i = 1;i< = 5;i++)
    {
      a = 64;
      for(j = 1;j< = i;j++)
        System.out.print ((char)(a+j));
      System.out.println ();
    }
}
}

1111
2222
3333
4444

class pyr1
{
public static void main(String args[])
{
    int i,j;
    for(i = 1;i< = 4;i++)
    {
      for(j = 1;j< = 4;j++)
        System.out.print (i);
      System.out.println ();
    }
}
}

0
12
345
6789

class pyr2
{
public static void main(String args[])
{
    int i,j,a = 0;
    for(i = 1;i< = 4;i++)
    {
      for(j = 1;j< = i;j++)
      {
        System.out.print (a);
        a++;
      }
      System.out.println ();
    }
}
}

1
12
123
1234
12345

class pyr3
{
public static void main(String args[])
{
    int i,j;
    for(i = 1;i< = 5;i++)
    {
      for(j = 1;j< = i;j++)
      {
        System.out.print (j);
      }
      System.out.println ();
    }
}
}

1
21
321
4321
54321

class pyr4
{
public static void main(String args[])
{
    int i,j;
    for(i = 1;i< = 5;i++)
    {
      for(j = i;j> = 1;j--)
      {
        System.out.print (j);
      }
      System.out.println ();
    }
}
}

55555
4444
333
22
1

class pyr5
{
public static void main(String args[])
{
    int i,j;
    for(i = 5;i> = 1;i--)
    {
      for(j = i;j> = 1;j--)
        System.out.print (i);
      System.out.println ();
    }
}
}

1
22
333
4444
55555

class pyr6
{
public static void main(String args[])
{
    int i,j;
    for(i = 1;i< = 5;i++)
    {
      for(j = 1;j< = i;j++)
        System.out.print (i);
      System.out.println ();
    }
}
}

54321
5432
543
54
5

class pyr7
{
public static void main(String args[])
{
    int i,j;
    for(i = 1;i< = 5;i++)
    {
      for(j = 5;j> = i;j--)
        System.out.print (j);
      System.out.println ();
    }
}
}

54321
4321
321
21
1

class pyr8
{
public static void main(String args[])
{
    int i,j;
    for(i = 5;i> = 1;i--)
    {
      for(j = i;j> = 1;j--)
        System.out.print (j);
      System.out.println ();
    }
}
}

12345
1234
123
12
1

class pyr9
{
public static void main(String args[])
{
    int i,j;
    for(i = 5;i> = 1;i--)
    {
      for(j = 1;j< = i;j++)
        System.out.print (j);
      System.out.println ();
    }
}
}

12345
2345
345
45
5

class pyr10
{
public static void main(String args[])
{
    int i,j;
    for(i = 1;i< = 5;i++)
    {
      for(j = i;j< = 5;j++)
        System.out.print (j);
      System.out.println ();
    }
}
}

5
45
345
2345
12345

class pyr11
{
public static void main(String args[])
{
    int i,j;
    for(i = 5;i> = 1;i--)
    {
      for(j = i;j< = 5;j++)
      {
        System.out.print (j);
      }
      System.out.println ();
    }
}
}

5
54
543
5432
54321

class pyr12
{
public static void main(String args[])
{
    int i,j;
    for(i = 5;i> = 1;i--)
    {
      for(j = 5;j> = i;j--)
        System.out.print (j);
      System.out.println ();
    }
}
}

1
212
32123
4321234
543212345

class pyr13
{
public static void main(String args[])
{
    int i,j;
    for(i = 1;i< = 5;i++)
    {
      for(j = 1;j< = 5-i;j++)
        System.out.print (" ");
      for(j = i;j> = 1;j--)
        System.out.print (j);
      for(j = 2;j< = i;j++)
        System.out.print (j);
      System.out.println ();
    }
}
}

1
121
12321
1234321
123454321

class pyr14
{
public static void main(String args[])
{
    int i,j;
    for(i = 1;i< = 5;i++)
    {
      for(j = 1;j< = 5-i;j++)
        System.out.print (" ");
      for(j = 1;j< = i;j++)
        System.out.print (j);
      for(j = i-1;j> = 1;j--)
        System.out.print (j);
      System.out.println ();
    }
}
}

        1
       232
      34543
     4567654
    567898765
   67890109876
7890123210987
890123454321098
90123456765432109

class pyr15
{
public static void main(String args[])
{
    int i,j;
    for(i = 1;i< = 9;i++)
    {
      for(j = 1;j< = 40-i;j++)
        System.out.print (" ");
      for(j = i;j< = (i*2)-1;j++)
        System.out.print (j%10);
      for(j = (i-1)*2;j> = i;j--)
        System.out.print (j%10);
      System.out.println ();
    }
}
}

1
010
10101
0101010
101010101

class pyr16
{
public static void main(String args[])
{
    int i,j,a;
    for(i = 1;i< = 5;i++)
    {
      for(j = 1;j< = 40-i;j++)
        System.out.print (" ");
      a = i;
      for(j = 1;j< = i*2-1;j++,a++)
        System.out.print (a%2);
      System.out.println ();
    }
}
}

1
123
12345
1234567
123456789

class pyr17
{
public static void main(String args[])
{
    int i,j;
    for(i = 1;i< = 5;i++)
    {
      for(j = 1;j< = 5-i;j++)
        System.out.print (" ");
      for(j = 1;j< = (i*2-1);j++)
        System.out.print (j);
      System.out.println ();
    }
}
}

1
222
33333
4444444
555555555

class pyr18
{
public static void main(String args[])
{
    int i,j;
    for(i = 1;i< = 5;i++)
    {
      for(j = 1;j< = 5-i;j++)
        System.out.print (" ");
      for(j = 1;j< = (i*2-1);j++)
        System.out.print (i);
      System.out.println ();
    }
}
}

1 1
222 222
33333 33333
44444444444444

class pyr19
{
public static void main(String args[])
{
    int i,j;
    for(i = 1;i< = 4;i++)
    {
      for(j = 1;j< = 5-i;j++)
        System.out.print (" ");
      for(j = 1;j< = (i*2-1);j++)
        System.out.print (i);
      for(j = 1;j< = (4-i)*2;j++)
        System.out.print (" ");
      for(j = 1;j< = (i*2-1);j++)
        System.out.print (i);
      System.out.println ();
    }
}

}

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