Java Programming and theory : September 2021

Thursday, September 23, 2021

Pattern- 9 Star Pattern

Logic-

for(int i=1; i<=5; i++)
{
for(int j=i; j<=4; j++)
{
    System.out.print(" ");
}
    {
   for(int k=1; k<=i; k++)
System.out.print("* ");
}
System.out.println( );
   }

Program-

* *

* * *

* * * *

* * * * *

class Pattern9
{
public static void main(String[] args)
{
for(int i=1; i<=5; i++)
{
for(int j=i; j<=4; j++)
{
System.out.print(" ");
}
{
for(int k=1; k<=i; k++)

System.out.print("* ");
}
System.out.println( );
}
}
}

For Proper Understanding Watch the Video :-

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Pattern- 8 Star Print

Logic-

for(int i=1; i<=5; i++)
{
for(int j=2; j<=i; j++)
{
System.out.print(" ");
}
{
for(int k=i; k<=5; k++)
System.out.print("* ");
}
System.out.println( );
}

Program--

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

class Pattern8
{
public static void main(String[] args)
{
for(int i=1; i<=5; i++)
{
for(int j=2; j<=i; j++)
{
System.out.print(" ");
}
{
for(int k=i; k<=5; k++)
System.out.print("* ");
}
System.out.println( );
}
}
}

For Proper Understanding Watch the Video :-

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Pattern- 7 star Print Decrement

Pattern- 7 star Print

Logic-

for(int i=1; i<=5; i++)
{
for(int j=i; j<=5; j++)
{
System.out.print("* ");
}
System.out.println( );

}

Program-

* * * * *

* * * *

* * *

* *

class Pattern7

{

public static void main(String[] args)

{

for(int i=1; i<=5; i++)

{

for(int j=i; j<=5; j++)

{

System.out.print("* ");

}

System.out.println( );

}

For Proper Understanding Watch the Video :-

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Pattern- 6 Star Print Increment order

Pattern- 6 Star Print

Logic -

for(int i=1; i<=5; i++)
{
for(int j=1; j<=i; j++)
{
System.out.print("* ");
}
System.out.println( );
}

Program-

* *

* * *

* * * *

* * * * *

class Pattern6

{

public static void main(String[] args)

{

for(int i=1; i<=5; i++)

{

for(int j=1; j<=i; j++)

{

System.out.print("* ");

}

System.out.println( );

}

For Proper Understanding Watch the Video :-

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Saturday, September 18, 2021

Pattern -5 Number print 1 to 25

Pattern -5

Logic---

int k=1;

   for(int i=1; i<=5; i++)

{
   for(int j=1; j<=5; ++j)
{

System.out.print(k++ + " ");
}
System.out.println( );
    }

Program---

1 2 3 4 5

6 7 8 9 10

11 12 13 14 15

16 17 18 19 20

21 22 23 24 25

class Pattern5

{

public static void main(String[] args)

{

int k=1;

for(int i=1; i<=5; i++)

{

for(int j=1; j<=5; ++j)

{

System.out.print(k++ + " ");

}

System.out.println( );

}

For Proper Understanding Watch the Video :-

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Pattern -4 number print 1 0 1 0 1

Pattern -4

Logic---

for(int i=1; i<=5; i++)
{
for(int j=1; j<=5; j++)
{
if(j%2==0)
{
System.out.print("0 ");
}
else
System.out.print("1 ");
}
System.out.println( );
}

Program--

1 0 1 0 1

class Pattern4

{

public static void main(String[] args)

{

for(int i=1; i<=5; i++)

{

for(int j=1; j<=5; j++)

{

if(j%2==0)

{

System.out.print("0 ");

}

else

System.out.print("1 ");

}

System.out.println( );

}

For Proper Understanding Watch the Video :-

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Pattern -3 Number print 1 1 1 1 1

Pattern -3

Logic--

for(int i=1; i<=5; i++)

{

for(int j=1; j<=5; j++)

{

System.out.print(i);

}

System.out.println( );

}

Program--

1 1 1 1 1

2 2 2 2 2

3 3 3 3 3

4 4 4 4 4

5 5 5 5 5

class Pattern3

{

public static void main(String[] args)

{

for(int i=1; i<=5; i++)

{

for(int j=1; j<=5; j++)

{

System.out.print(i);

}

System.out.println( );

}

For Proper Understanding Watch the Video :-

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Pattern - 2 Number 1 to 5

Pattern - 2

Logic--

for(int i=1; i<=5; i++)
{
for(int j=1; j<=5; j++)
{
System.out.print(j);
}
System.out.println( );
}

Program-

1 2 3 4 5

class Pattern2

{

public static void main(String[] args)

{

for(int i=1; i<=5; i++)

{

for(int j=1; j<=5; j++)

{

System.out.print(j);

}

System.out.println( );

}

For Proper Understanding Watch the Video :-

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Friday, September 17, 2021

Pattern-1 Star Print

Pattern1-

Star Pattern CodeWithVed

Logic--

Program:-

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

class Pattern1

{

public static void main(String[] args)

{

for(int i=1; i<=5; i++)

{

for(int j=1; j<=5; j++)

{

System.out.print("* ");

}

System.out.println( );

}

For Proper Understanding Watch the Video :-

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Keep Learning:)

Study:)

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Thursday, September 16, 2021

Magic Number in Java

Program to Check If a Number is Magic number or not

Magic Number CodeWithVed

Steps--

Program :-

class Magic

{

public static void main(String[] args)

{

System.out.println("Enter the value");

int n1=new java.util.Scanner(System.in).nextInt();

int num, rem=1, sum=0;

num=n1;

while (num>9)

{

while(num>0)

{

rem=num%10;

sum=sum+rem;

num=num/10;

}

num=sum;

sum=0;

}

if (num==1)

{

System.out.println(n1 + " is a Magic number ");

}

else

{

System.out.println(n1 + " is a not Magic number");

}

For Proper Understanding Watch the Video :-

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Wednesday, September 15, 2021

Harshad Number

Program to Check If a Number is Harshad number or not.

Harshad Number CodeWithVed

Steps:-

Program:-

// Java Program to Check If a Number is Harshad number or not.

class Harshad

{

public static void main(String[] args)

{

System.out.println("Enter the value");

int n1=new java.util.Scanner(System.in).nextInt();

int num, rem=0, sum=0;

num=n1;

while(num>0)

{

rem=num%10;

sum=sum+rem;

num=num/10;

}

if(n1%sum==0)

{

System.out.println(n1 + " is a Harshad number ");

}

else

{

System.out.println(n1 + " is a not Harshad number");

}

For Proper Understanding Watch the Video :-

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Keep Learning:)

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Buzz Number

Program to Check If a Number is Buzz number or not

Buzz Number CodeWithVed

Steps:-

Program:-

class Buzz

{

public static void main(String[] args)

{

System.out.println("Enter the value");

int n1=new java.util.Scanner(System.in).nextInt();

int num;

num=n1;

if (num % 10 == 7 || num % 7 == 0)

{

System.out.println(n1 + " is a Buzz number ");

}

else

{

System.out.println(n1 + " is a not Buzz number");

}

For Proper Understanding Watch the Video :-

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All the Best :)

Keep Learning:)

Study:)

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Thursday, September 23, 2021

Pattern- 9 Star Pattern

Logic-

for(int i=1; i<=5; i++) { for(int j=i; j<=4; j++) { System.out.print(" "); } { for(int k=1; k<=i; k++) System.out.print("* "); } System.out.println( ); }

Program-

class Pattern9 { public static void main(String[] args) { for(int i=1; i<=5; i++) { for(int j=i; j<=4; j++) { System.out.print(" "); } { for(int k=1; k<=i; k++)

System.out.print("* "); } System.out.println( ); } }}

For Proper Understanding Watch the Video :-

Pattern- 8 Star Print

Logic-

for(int i=1; i<=5; i++) { for(int j=2; j<=i; j++) { System.out.print(" "); } { for(int k=i; k<=5; k++) System.out.print("* "); } System.out.println( ); }

Program--

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

class Pattern8 { public static void main(String[] args) { for(int i=1; i<=5; i++) { for(int j=2; j<=i; j++) { System.out.print(" "); } { for(int k=i; k<=5; k++) System.out.print("* "); } System.out.println( ); } }}

For Proper Understanding Watch the Video :-

Pattern- 7 star Print

Logic-

for(int i=1; i<=5; i++) { for(int j=i; j<=5; j++) { System.out.print("* "); } System.out.println( );

}

Program-

For Proper Understanding Watch the Video :-

Pattern- 6 Star Print

Logic -

for(int i=1; i<=5; i++) { for(int j=1; j<=i; j++) { System.out.print("* "); } System.out.println( ); }

Program-

For Proper Understanding Watch the Video :-

Saturday, September 18, 2021

Pattern -5

Logic---

int k=1;

for(int i=1; i<=5; i++) { for(int j=1; j<=5; ++j) { System.out.print(k++ + " "); } System.out.println( ); }

Program---

For Proper Understanding Watch the Video :-

Pattern -4

Logic---

for(int i=1; i<=5; i++) { for(int j=1; j<=5; j++) { if(j%2==0) { System.out.print("0 "); } else System.out.print("1 "); } System.out.println( ); }

Program--

For Proper Understanding Watch the Video :-

Pattern -3

Logic--

Program--

For Proper Understanding Watch the Video :-

Pattern - 2

Logic--

for(int i=1; i<=5; i++) { for(int j=1; j<=5; j++) { System.out.print(j); } System.out.println( ); }

Program-

For Proper Understanding Watch the Video :-

Friday, September 17, 2021

Pattern1-

Logic--

Program:-

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

For Proper Understanding Watch the Video :-

Thursday, September 16, 2021

Program to Check If a Number is Magic number or not

Magic Number CodeWithVed

Steps--

Program :-

For Proper Understanding Watch the Video :-

Wednesday, September 15, 2021

Program to Check If a Number is Harshad number or not.

Harshad Number CodeWithVed

Steps:-

Program:-

For Proper Understanding Watch the Video :-

Program to Check If a Number is Buzz number or not

Buzz Number CodeWithVed

Steps:-

Program:-

For Proper Understanding Watch the Video :-

for(int i=1; i<=5; i++)
{
for(int j=i; j<=4; j++)
{
System.out.print(" ");
}
{
for(int k=1; k<=i; k++)
System.out.print("* ");
}
System.out.println( );
}

class Pattern9
{
public static void main(String[] args)
{
for(int i=1; i<=5; i++)
{
for(int j=i; j<=4; j++)
{
System.out.print(" ");
}
{
for(int k=1; k<=i; k++)

System.out.print("* ");
}
System.out.println( );
}
}
}

for(int i=1; i<=5; i++)
{
for(int j=2; j<=i; j++)
{
System.out.print(" ");
}
{
for(int k=i; k<=5; k++)
System.out.print("* ");
}
System.out.println( );
}

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

class Pattern8
{
public static void main(String[] args)
{
for(int i=1; i<=5; i++)
{
for(int j=2; j<=i; j++)
{
System.out.print(" ");
}
{
for(int k=i; k<=5; k++)
System.out.print("* ");
}
System.out.println( );
}
}
}

for(int i=1; i<=5; i++)
{
for(int j=i; j<=5; j++)
{
System.out.print("* ");
}
System.out.println( );

for(int i=1; i<=5; i++)
{
for(int j=1; j<=i; j++)
{
System.out.print("* ");
}
System.out.println( );
}

for(int i=1; i<=5; i++)

{
for(int j=1; j<=5; ++j)
{

System.out.print(k++ + " ");
}
System.out.println( );
}

for(int i=1; i<=5; i++)
{
for(int j=1; j<=5; j++)
{
if(j%2==0)
{
System.out.print("0 ");
}
else
System.out.print("1 ");
}
System.out.println( );
}

for(int i=1; i<=5; i++)
{
for(int j=1; j<=5; j++)
{
System.out.print(j);
}
System.out.println( );
}

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