Java Array Exercises: Convert an array to ArrayList
Java Array: Exercise-20 with Solution
Write a Java program to convert an array to ArrayList.
Pictorial Presentation:
Sample Solution:
Java Code :
import java.util.ArrayList;
import java.util.Arrays;
public class Exercise20 {
public static void main(String[] args)
{
String[] my_array = new String[] {"Python", "JAVA", "PHP", "Perl", "C#", "C++"};
ArrayList<String> list = new ArrayList<String>(Arrays.asList(my_array));
System.out.println(list);
}
}
Sample Output:
[Python, JAVA, PHP, Perl, C#, C++]
Flowchart:
Visualize Java code execution (Python Tutor):
Java Code Editor:
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Previous: Write a Java program to add two matrices of the same size.
Next: Write a Java program to convert an ArrayList to an array.
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Java: Tips of the Day
How to sort an ArrayList?
Collections.sort(testList); Collections.reverse(testList);
That will do what you want. Remember to import Collections though!
Ref: https://bit.ly/32urdSe
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