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java 2d jagged array example

Itchy Ibis answered on February 18, 2020 Popularity 9/10 Helpfulness 2/10

answer java 2d jagged array example

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java 2d jagged array example

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// Java program to demonstrate 2-D jagged
// array such that first row has 1 element, second
// row has two elements and so on.
class Main {
    public static void main(String[] args)
    {
        int r = 5;
 
        // Declaring 2-D array with 5 rows
        int arr[][] = new int[r][];
 
        // Creating a 2D array such that first row
        // has 1 element, second row has two
        // elements and so on.
        for (int i = 0; i < arr.length; i++)
            arr[i] = new int[i + 1];
 
        // Initializing array
        int count = 0;
        for (int i = 0; i < arr.length; i++)
            for (int j = 0; j < arr[i].length; j++)
                arr[i][j] = count++;
 
        // Displaying the values of 2D Jagged array
        System.out.println("Contents of 2D Jagged Array");
        for (int i = 0; i < arr.length; i++) {
            for (int j = 0; j < arr[i].length; j++)
                System.out.print(arr[i][j] + " ");
            System.out.println();
        }
    }
}

Popularity 9/10 Helpfulness 2/10 Language java

Source: www.geeksforgeeks.org

Tags: java java-2d

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Contributed on Mar 17 2022

Itchy Ibis

0 Answers Avg Quality 2/10

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int[][] numbers = new int[7][];

// row 0 gets 5 columns
numbers[0] = new int[5];
// row 1 gets 11 columns
numbers[1] = new int[11];
// etc...

Popularity 10/10 Helpfulness 5/10 Language java

Source: Grepper

Tags: java

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Contributed on Feb 18 2020

Abbot Of Boolean Zen

0 Answers Avg Quality 2/10

java 2d jagged array example

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