Java Codes Basic to Advance

Print Hollow Rectangle Pattern using java .

public class Hollowrect {
    public static void HollowrectPattern(int noOfRows, int noOfCols) {
        // for rows outer loop
        for (int i = 1; i <= noOfRows; i++) {
            // inner loop
            for (int j = 1; j <= noOfCols; j++) {
                // cell (i,j)
                if (i == 1 || i == noOfRows || j == 1 || j == noOfCols) {
                    System.out.print("*");

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

            }
            System.out.println();

        }

    }

    public static void main(String[] args) {
        HollowrectPattern(4, 7);

    }
}

OutPut:

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

❤1

1.61K views</> ᴍᴜᴋᴇsʜ </>, edited 11:30

Java Codes Basic to Advance

Inverted Half Rotated Pyramid

public class invertrothalfpyramid {
    

    public static void inverted_half_pyramid(int n) {
        // outer loop
        for (int i = 1; i <= n; i++) {
            // empty space
            for (int j = 1; j <= n - i; j++) {
                System.out.print(" ");

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

            }
            System.out.println();

        }

    }

    public static void main(String[] args) {
        // InvertedHalfPiramid(4, 4);
        inverted_half_pyramid(4);

    }
}

Output:

   *
  **
 ***
****

❤1

1.31K views</> ᴍᴜᴋᴇsʜ </>, edited 06:45

Java Codes Basic to Advance

Inverted half pyramid of number .

public class invertedpyra {
    public static void Inverted_half_pyramid(int n) {
        for (int i = 1; i <= n; i++) {
            // inner loop

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

            }
            System.out.println();
        }
    }
    public static void main(String[] args) {
        Inverted_half_pyramid(6);
    }
}

Output:

❤2

1.17K views</> ᴍᴜᴋᴇsʜ </>, edited 07:16

Java Codes Basic to Advance

Ai telegram chatbot creation project

https://youtu.be/s6EQACzmLII?si=pnDL8IdAPC7HSlJl

YouTube

How to Build an AI Chatbot for Telegram using Telegraf and Node.js

This video is tutorial of AI Chatbot project. In this video I explained how to create Ai chatbot. Used Telegraf and axios to make this bot.

Keys:
create ai chatbot telegram, telegram ai chatbot tutorial, telegram bot with telegraf js, telegraf node js chatbot…

1.12K viewsराम सियाराम सियाराम जय जय राम 🙏 तुम साथ हो जो मेरे, किस चीज की कमी है ।, 04:32

Java Codes Basic to Advance

Floyd`s Triangle Pattern.

public class floydtriangle {
    public static void floyd(int n) {
        int count = 1;
        for (int i = 1; i <= n; i++) {

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

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

    public static void main(String[] args) {
        floyd(5);

    }
}

OutPut:

1 
2 3
4 5 6
7 8 9 10
11 12 13 14 15

1.07K views</> ᴍᴜᴋᴇsʜ </>, 15:20

Java Codes Basic to Advance

0-1 Triangle Pattern

public class zeroone {
    public static void zeroOne_Triangle(int n) {
        for (int i = 1; i <= n; i++) {
            for (int j = 1; j <= i; j++) {
                if ((i + j) % 2 == 0) {
                    System.out.print("1 ");

                } else {
                    System.out.print("0 ");

                }

            }
            System.out.println();

        }

    }

    public static void main(String[] args) {
        zeroOne_Triangle(5);

    }
}

Output:

❤2

1.14K views</> ᴍᴜᴋᴇsʜ </>, 15:45

Java Codes Basic to Advance

Forwarded from Cᴏᴅᴇs Sɴɪᴘᴘᴇᴛs (</> ᴍᴜᴋᴇsʜ </>)

Butterfly Pattern using java of number n

public class Butterflypattern {
    public static void butterfly_pattern(int n) {
        for (int i = 1; i <= n; i++) {
            for (int j = 1; j <= i; j++) {
                System.out.print("*");

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

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

            }
            System.out.println();

        }
        for (int i = n; i >= 1; i--) {
            for (int j = 1; j <= i; j++) {
                System.out.print("*");

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

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

            }
            System.out.println();

        }

    }

    public static void main(String[] args) {
        butterfly_pattern(5);

    }
}

Output:

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

❤1

1.66K views</> ᴍᴜᴋᴇsʜ </>, 16:34

Java Codes Basic to Advance

Solid Rhombus Pattern for number n

 public class solidrhomus {
    public static void solidrhomus_pattern(int n) {
        for (int i = 1; i <= n; i++) {
            
            for (int index = 1; index <= 2 * (n - i); index++) {
                System.out.print(" ");

            }
            for (int index = 1; index <= n; index++) {
                System.out.print("* ");

            }
            System.out.println();

        }

    }

    public static void main(String[] args) {
        solidrhomus_pattern(5);

    }
}

Output:

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

1.21K views</> ᴍᴜᴋᴇsʜ </>, edited 16:49

Java Codes Basic to Advance

Hollow Rhombus Pattern for number n

public class hollowrhombus {
    public static void hollowrhombus_pattern(int n) {
        for (int i = 1; i <= n; i++) {
            for (int j = 1; j <= n - i; j++) {
                System.out.print(" ");

            }
            for (int j = 1; j <= n; j++) {
                if (i == 1 | i == n | j == 1 | j == n) {
                    System.out.print("*");

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

                }

            }
            System.out.println();

        }

    }

    public static void main(String[] args) {
        hollowrhombus_pattern(5);

    }
}

Output:

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

1.3K views</> ᴍᴜᴋᴇsʜ </>, edited 17:08

Java Codes Basic to Advance

Forwarded from Cᴏᴅᴇs Sɴɪᴘᴘᴇᴛs (</> ᴍᴜᴋᴇsʜ </>)

Diamond Pattern of number n

public class diamond {
    public static void diamond_pattern(int n) {
        for (int i = 1; i <= n; i++) {
            // blank space
            for (int j = 1; j <= (n - i); j++) {
                System.out.print(" ");

            }
            // star
            for (int j = 1; j <= 2 * (i - 1) + 1; j++) {
                System.out.print("*");

            }
            System.out.println();

        }
        for (int i = n; i >= 1; i--) {
            // blank space
            for (int j = 1; j <= (n - i); j++) {
                System.out.print(" ");

            }
            // star
            for (int j = 1; j <= 2 * (i - 1) + 1; j++) {
                System.out.print("*");

            }
            System.out.println();

        }

    }

    public static void main(String[] args) {
        diamond_pattern(5);

    }
}

Output:

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

1.47K views</> ᴍᴜᴋᴇsʜ </>, 17:34

Java Codes Basic to Advance

Reverse an array

 public class reverseArr {
    public static void reverse(int numbers[]) {
        int start = 0;
        int last = numbers.length - 1;
        while (start < last) {
            int temp = numbers[last];
            numbers[last] = numbers[start];
            numbers[start] = temp;
            start++;
            last--;

        }

    }

    public static void main(String[] args) {
        int numbers[] = { 2, 4, 6, 8, 10, 12, 14, 16 };
        reverse(numbers);
        for (int i = 0; i < numbers.length; i++) {
            System.out.print(numbers[i] + " ");

        }

    }
}
// time complexbilty: 0(n)
// space complexbilty: 0(1)

Output:

 16 14 12 10 8 6 4 2

1.38K views</> ᴍᴜᴋᴇsʜ </>, 15:38

Java Codes Basic to Advance

Subarray

public class subArr {
    public static void subArray(int numbers[]) {
        for (int i = 0; i < numbers.length; i++) {
            int start = i;
            // subarr
            for (int j = i; j < numbers.length; j++) {
                int end = j;
                // System.out.print(numbers[j]);
                for (int k = start; k <= end; k++) {
                    System.out.print(+numbers[k] + " ");

                }
                System.out.println();

            }
            System.out.println();
        }

    }

    public static void main(String[] args) {
        int numbers[] = { 2, 4, 6, 8, 10 };
        subArray(numbers);

    }
}

Output:

❤1

1.6K views</> ᴍᴜᴋᴇsʜ </>, edited 17:21

Java Codes Basic to Advance

Maximum Subarray sum using Kadane's Algorithm.

 import java.util.*;

public class Kadane {
    public static void kaddanelgoSum(int numbers[]) {
        int currsum = 0;
        int maxsum = Integer.MIN_VALUE;
        for (int index = 0; index < numbers.length; index++) {
            currsum = currsum + numbers[index];

            if (currsum < 0) {
                currsum = 0;

            }
            // System.out.println(currsum);
            // if (maxsum < currsum) {
            // maxsum = currsum;

            // }
            maxsum = Math.max(currsum, maxsum);

        }
        System.out.println("max sum is : " + maxsum);

    }

    public static void main(String[] args) {
        // int numbers[] = { 2, 3, 4, 5 };
        int numbers[] = { -2, -3, 4, -1, -2, 1, 5, -3, };
        kaddanelgoSum(numbers);

    }
}

Output:

max sum is : 7

❤4

2K views</> ᴍᴜᴋᴇsʜ </>, 16:23

Java Codes Basic to Advance

Your Favorite language?

Anonymous Poll

288 voters1.95K viewsराम सियाराम सियाराम जय जय राम 🙏 तुम साथ हो जो मेरे, किस चीज की कमी है ।, 03:12

Java Codes Basic to Advance

TrapRainWater Code time complexibilty O(n)

public class traprainwat {
    public static int trapwater(int height[]) {
        // left max
        int n = height.length;
        int leftMax[] = new int[n];
        leftMax[0] = height[0];
        for (int i = 1; i < n; i++) {
            leftMax[i] = Math.max(height[i], leftMax[i - 1]);
        }

        // for (int i = 0; i < n; i++) {
        // System.out.print(leftMax[i]);
        // }

        // right max
        int rightMax[] = new int[n];
        rightMax[n - 1] = height[n - 1];

        for (int i = n - 2; i >= 0; i--) {
            rightMax[i] = Math.max(rightMax[i + 1], height[i]);

        }
        // for (int i = 0; i < rightMax.length; i++) {
        // System.out.print(rightMax[i]);

        // }

        // loop
        int traprainw = 0;
        for (int i = 0; i < n; i++) {
            // waterlevel=min(leftmax,rightmax)
            int waterlevel = Math.min(leftMax[i], rightMax[i]);
            // traprainwater=waterlevel-height[i]
            traprainw += waterlevel - height[i];

        }
        return traprainw;

    }

    public static void main(String[] args) {

        int height[] = { 4, 2, 0, 6, 3, 2, 5 };
        System.out.println(trapwater(height));

    }
}

Output:

❤2🔥2

2.51K views</> ᴍᴜᴋᴇsʜ </>, edited 05:56

Java Codes Basic to Advance

Best time to buy /sell any stock

public class buysell {
    public static int buySellStock(int prices[]) {
        int MaxProfit = 0;
        int buyPrice = Integer.MAX_VALUE;
        for (int index = 0; index < prices.length; index++) {
            if (buyPrice < prices[index]) {
                int profit = prices[index] - buyPrice;
                MaxProfit = Math.max(profit, MaxProfit);

            } else {
                buyPrice = prices[index];

            }

        }
        return MaxProfit;

    }

    public static void main(String[] args) {
        int prices[] = { 7, 1, 5, 6, 2, 3 };
        System.out.println(buySellStock(prices));
    }
}

Output:

❤2🔥2

3.03K views</> ᴍᴜᴋᴇsʜ </>, edited 15:26

Java Codes Basic to Advance

Join @LogicBots

For
Getting Updates of our bots
Sujjestion for new bot
Sujjestion for new features

https://t.me/logicBots

2.05K viewsराम सियाराम सियाराम जय जय राम 🙏 तुम साथ हो जो मेरे, किस चीज की कमी है ।, 04:26

Java Codes Basic to Advance

// Shows Indian Time

import java.time.*;
import java.time.format.DateTimeFormatter;

public class ISTTime {
    public static void main(String[] args) {
        // Get current time in IST
        ZoneId istZone = ZoneId.of("Asia/Kolkata");
        ZonedDateTime istTime = ZonedDateTime.now(istZone);

        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("dd-MM-yyyy HH:mm:ss");

        System.out.println("Time (IST): " + istTime.format(formatter));
    }
}

// Output: t.me/c/2304534698/149

❤5

2.44K viewsराम सियाराम सियाराम जय जय राम 🙏 तुम साथ हो जो मेरे, किस चीज की कमी है ।, edited 02:33

Java Codes Basic to Advance

New Bot

@VideoCompress0bot

Direct send your large size video to this bot and it will convert to small size

Warning: Don't send already compressed video or low quality video other wise it will increase those size instead decreasing

❤1

2.68K viewsराम सियाराम सियाराम जय जय राम 🙏 तुम साथ हो जो मेरे, किस चीज की कमी है ।, 04:05

Java Codes Basic to Advance

Join BCA/MCA developers group on arattai
A Indian chat app by zoho Supported by government

https://chat.arattai.in/groups/t43545f313237373536333834333438343434363931355f32303030353533333235382d47437c3031303131353032353136343137353935303935383035393830

chat.arattai.in

BCA MCA ( Developers )

❤1

3.09K viewsराम सियाराम सियाराम जय जय राम 🙏 तुम साथ हो जो मेरे, किस चीज की कमी है ।, 16:50

Java Codes Basic to Advance

Sabhi log arattai app install karlo
Hame apne desh ki app ko support karna chahiye
Vahi pe ek doosre se bat Karo whatsapp ki bajaye
Dheere dheere sare log whatsapp chhod ke arattai use karo

Isme aapko hamare sare arattai app me jo groups/channels hai aur honge vo milte rahenge 👇
https://aratt.ai/@ignoustudycenter

Arattai

IGNOU Study Center

❤2

3.12K viewsराम सियाराम सियाराम जय जय राम 🙏 तुम साथ हो जो मेरे, किस चीज की कमी है ।, 14:31

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