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

1 vote100 views2 answers
Start fragment from activity
Java
0 vote52 views1 answer
Java.lang.RuntimeException: Duplicate class com.google.common.util.concurrent.ListenableFuture found in modules guava-20.0.jar (com.google.guava:guava:20.0) and listenablefuture-1.0.jar (com.google.guava:listenablefuture:1.0)
Java
0 vote97 views1 answer
Barcode design in postgresql
Java
1 vote98 views1 answer
Object type in java
Java
0 vote100 views1 answer
How to catch enter key in java text field
Java
0 vote125 views1 answer
Batch file to switch between java version
Java
0 vote104 views1 answer
Java pojo to mongo document
Java
-2 votes100 views1 answer
How to import borderlayout
Java
0 vote163 views1 answer
How to play audio files java
Java
0 vote60 views1 answer
4 byte timestamp java
Java