أمثلة جافا

Examples Java 4 تعلم جافا من البداية إلى النهاية

صورة
صدام العويري
اخر تحديث :

Examples Java 4 تعلم جافا من البداية إلى النهاية  ، Examples Java 5 تعلم جافا خطوه بخطوه 

Number pattern 6.

Number pattern 6.

			  1 
			  22 
			  333 
			  4444 
			  55555

Example

Main.java 
			  



class NumberPat6
{

public static void main(String arg[])
{

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

System.out.println();
}
}
}

•Output

			  1 
			  22 
			  333 
			  4444 
			  55555

Number pattern 7.

Number pattern 7.

			  1
			  23
			  456
			  7890
			  12345

Example

Main.java 
			  



class NumberPat7
{

public static void main(String arg[])
{

int t = 1;
for (int i = 1; i <= 5; i++)
{
for (int j = 1; j <= i; j++)
{
if (t == 10)
t = 0;
System.out.print(t++);
}
System.out.println();
}
}
}

•Output

			  1
			  23
			  456
			  7890
			  12345

Number pattern 8.

Number pattern 8. 

			  11111 
			  0000 
			  111 
			  00 
			  1

Example

Main.java 
			  




import java.util.Scanner;

class Pattern
{
public static void main(String args[])
{
int n, i, j;
Scanner sc = new Scanner(System.in);

System.out.println("Enter the number of rows ");
n = sc.nextInt();

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

•Output

			  11111 
			  0000 
			  111 
			  00 
			  1

Number pattern 9.

Number pattern 9.

			  1 
			  1 2 1 
			  1 2 3 2 1 
			  1 2 3 4 3 2 1 
			  1 2 3 4 5 4 3 2 1

Example

Main.java 
			  



class PrintPattern
{
public static void main(String args[])
{
int n = 5;
for (int i = 1; i <= n; i++)
{
int j = n - i;
while (j > 0)
{
System.out.print("  ");
j--;
}

j = 1;
while (j <= i)
{
System.out.print(" " + j);
j++;
}

j = i - 1;
while (j > 0)
{
System.out.print(" " + j);
j--;
}

j = n - i;
while (j > 0)
{
System.out.print("  ");
j--;
}
System.out.println();
}
}
}

•Output

			  1 
			  1 2 1 
			  1 2 3 2 1 
			  1 2 3 4 3 2 1 
			  1 2 3 4 5 4 3 2 1

Number pattern 10.

Number pattern 10.

			  1 
			  121 
			  12321 
			  1234321 
			  123454321 
			  12345654321 
			  1234567654321

Example

Main.java 
			  




import java.util.*;

class Pattern
{
public static void main(String[] args)
{
int i, j, k = 1, l, n;
Scanner sc = new Scanner(System.in);

System.out.println("Enter the number of levels of pattern");
n = sc.nextInt();

System.out.println("\nPattern is : \n");

for (i = 1; i <= n; i++)
{
l = i;

for (j = 1; j <= k; j++)
{
if (j >= i + 1)
{
System.out.print(--l);
}

else
{
System.out.print(j);
}
}

k = k + 2;
System.out.println(" ");
}
}
}

•Output

			  1 
			  121 
			  12321 
			  1234321 
			  123454321 
			  12345654321 
			  1234567654321

Star Pattern 1.

Star Pattern 1.

			  ****
			  *** 
			  **
			  *

Example

Main.java 
			  



class StarPattern1
{

public static void main(String arg[])
{

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

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

{

System.out.print("*");

}

System.out.println();
}
}
}

•Output

			  ****
			  *** 
			  **
			  *

Star Pattern2

Star Pattern2

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

Example

Main.java 
class StarPattern2
{

public static void main(String arg[])
{

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

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

System.out.println();
}
}
}

•Output

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

Star Pattern 3.

Star Pattern 3.

Example

Main.java 
			


class StarPattern3
{

public static void main(String arg[])
{

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();
}

}
}

Star Pattern 4

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

Example

Main.java 
class StarPattern4
{

public static void main(String arg[])
{

int num = 12;
int f = 2;
int g = num - 1;

for (int i = 1; i <= (num / 2); i++)
{

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

if (j >= f && j <= g)
{

System.out.print(" ");

}
else
{

System.out.print("*");

}
}

f = f + 1;
g = g - 1;

System.out.println();
}
} 
}

•Output

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

Star Pattern 5.

Star Pattern 5.

Example

Main.java 
			  


class StarPattern5
{

public static void main(String arg[])
{

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 = i; j <= 5; j++)

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

System.out.println();
}
}
}
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