/Java/How to create 2d arrazlist in java

How to create 2d arrazlist in java

2d arraylist in java

int vertexCount = 3;
ArrayList<ArrayList<Integer>> graph = new ArrayList<>(vertexCount);
//Next, we'll initialize each element of ArrayList with another ArrayList:

for(int i=0; i < vertexCount; i++) {
    graph.add(new ArrayList());
}

How to create a 2d arraylist java

ArrayList<ArrayList<Object>> a = new ArrayList<ArrayList<Object>>();

How to create 2d arrazlist in java

today 2D Set atom value

Similar codes

0 vote204 views1 answer
Save SQLite returned data to an object list
Java
0 vote163 views1 answer
Transversal operation in java array
Java
1 vote194 views1 answer
Why bufferedreader is faster than scanner
Java
3 votes206 views1 answer
Javafx scrollpane
Java
5 votes189 views1 answer
Ubuntu change default java path
Java
1 vote187 views1 answer
Functional remove java
Java
0 vote198 views1 answer
Template competitive programming java
Java
0 vote191 views1 answer
First none duplicated char
Java
0 vote205 views1 answer
Used by: java.time.format.DateTimeParseException: Text 'Fri Jan 07 13:37:48 EET 2022' could not be parsed at index 0
Java
0 vote189 views1 answer
How to use double in insert data programming in java
Java