java queue code example

Example 1: java queue

import java.util.*;

Queue queue = new LinkedList();
// use non-primative types when constructing

// to add a value to the back of queue:
queue.add(7);

// to remove and return front value:
int next = queue.remove();

// to just return front value without removing:
int peek = queue.peek();

Example 2: queue implementation in java using arraylist

Queue queue=new ArrayList();

Example 3: queue.isempty java

while (!QUEUE.isEmpty()) {
  QUEUE.remove();
 }

Example 4: what is queue in java

Quque: accepts duplicates, does not have index,
First in first out order