How to Create an ArrayList in Java

In this example we will show the method to create an ArrayList in Java.

Source Code

package com.beginner.examples;

import java.util.ArrayList;

public class CreateArrayList {
  public static void main(String[] args) { 
    ArrayList arrays = new ArrayList(); // create an ArrayList
    arrays.add("a");
    arrays.add("b");
    System.out.println(arrays);
  } 
}

Output:

[a, b]

References

Imported packages in Java documentation:

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How to Create an ArrayList in Java

In this example we will show you how to create an ArrayList that should store numbers in Java.

Source Code

package com.beginner.examples;

import java.util.ArrayList;

public class CreateAnArrayList { 
  public static void main(String[] args) { 
    ArrayList numbers = new ArrayList(); // create an ArrayList
    numbers.add(102);
    numbers.add(151);
    System.out.println(numbers);
  } 
}

Output:

[102, 151]

References

Imported packages in Java documentation:

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