Build priority queue

import java.util.Arrays;

public class PriorityQueue {
  private int[] items = new int[5];
  private int count;

  // O(n)
  public void add(int item) {
    if (isFull())
      throw new IllegalStateException();

    var i = shiftItemsToInsert(item);
    items[i] = item;
    count++;
  }

  public boolean isFull() {
    return count == items.length;
  }

  private int shiftItemsToInsert(int item) {
    int i;
    for (i = count - 1; i >= 0; i--) {
      if (items[i] > item)
        items[i + 1] = items[i];
      else
        break;
    }
    return i + 1;
  }

  // O(1)
  public int remove() {
    if (isEmpty())
      throw new IllegalStateException();

    return items[--count];
  }

  public boolean isEmpty() {
    return count == 0;
  }

  @Override
  public String toString() {
    return Arrays.toString(items);
  }
}

Similar codes

3 votes315 views4 answers
How to make JFrame full screen
Java
1 vote332 views1 answer
Events that people think are unlikely but actually have high probability
Java
0 vote302 views1 answer
Get time zone from co-ordinates java
Java
0 vote280 views1 answer
Create exception java
Java
0 vote305 views1 answer
SendPlanUpgrade
Java
0 vote317 views2 answers
Mountain array leetcode
Java
0 vote279 views1 answer
How to print a list in string form java
Java
3 votes346 views3 answers
How to print each element of an arraylist on a new line in java
Java
0 vote376 views1 answer
How to secure specific url in spring security
Java Spring
0 vote324 views1 answer
<?xml version="1.0" encoding="UTF-8"?>
Java