prority queue in java code example
Example 1: java queue
import java.util.*;
Queue<Integer> queue = new LinkedList<Integer>();
queue.add(7);
int next = queue.remove();
int peek = queue.peek();
Example 2: priority queue in java
import java.util.PriorityQueue;
import java.util.Iterator;
class Main {
public static void main(String[] args) {
PriorityQueue<Integer> numbers = new PriorityQueue<>();
numbers.add(4);
numbers.add(2);
numbers.add(1);
System.out.print("PriorityQueue using iterator(): ");
Iterator<Integer> iterate = numbers.iterator();
while(iterate.hasNext()) {
System.out.print(iterate.next());
System.out.print(", ");
}
}
}