2d array length in java

How to get the dimensions of a 2d array in java

public class Main {
  public static void main(String[] args) {
    int[][] test = new int[10][4];
    int rows = test.length;
    int coloumns = test[0].length;
    System.out.println(rows);
    System.out.println(coloumns);
  }
}

2d array length in java

public static void main(String[] args) {

    int[][] foo = new int[][] {
        new int[] { 1, 2, 3 },
        new int[] { 1, 2, 3, 4},
    };

    System.out.println(foo.length); //2 // gives count of rows
    System.out.println(foo[0].length); //3 // gives count of columns for particular row
    System.out.println(foo[1].length); //4
}

Source: stackoverflow.com

Similar codes

1 vote215 views2 answers
Selenium set chrome executable path
Java
4 votes230 views3 answers
Android Dialog
Java
0 vote271 views1 answer
Spring commandlinerunner example
Java Spring
1 vote211 views1 answer
Char variable java
Java
3 votes176 views1 answer
How to check a integer in java
Java
0 vote230 views2 answers
Sort int array in descending order java
Java
0 vote216 views1 answer
Spigot check if inventory is empty
Java
0 vote264 views1 answer
Aggregationoperation multi match
Java
2 votes217 views1 answer
Java generic array
Java
8 votes204 views2 answers
Loop through string in java
Java