java queue
import java.util.*;
Queue<Integer> queue = new LinkedList<Integer>();
// 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();queue in java
queues, //add, remove, peek , size()
Queue<Integer> q = new LinkedList<>();
- Unlike stacks, a queue is open at both its ends. (one end enqueue & one end remove data, dequeue) FIFO
- enqueue() − add (store) an item to the queue.
- dequeue() − remove (access) an item from the queue.
- peek() − Gets the element at the front of the queue without removing it.
- isfull() − Checks if the queue is full.
- isempty() − Checks if the queue is empty.
Queue<Integer> queue = new LinkedList<Integer>();
queue.add(10);
queue.add(20);
int a = queue.remove();
int peek = queue.peek();
System.out.println(queue + " " + a); //[20] 10Copyright © 2021 Codeinu
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