Question

How to remove the first element from queue in Java

Answer 1

import java.util.LinkedList; 
import java.util.Queue; 

public class MyClass {
    static Queue<Integer> queue; 

    public static void main(String args[]) { 
        queue = new LinkedList<Integer>(); 
        
        for (int i = 0; i < 10; i++) 
            queue.add(i); 
        
        System.out.println(queue); 
        
        queue.remove(); 
        
        System.out.println(queue); 
    }
}



/*
run:

[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
[1, 2, 3, 4, 5, 6, 7, 8, 9]

*/

 

70+ SQL courses for beginners and professionals