queuelink.java

来自「使用java实现的计算机自主发短信到手机。 运行界面上」· Java 代码 · 共 59 行

package keti2;

public class QueueLink {
  public int rear;
  public int front;
  public int total;
  public String[] sms = new String[31];
  public QueueLink() {
    for (int i = 1; i < 31; i++)
      sms[i] = "";
    rear = 1;
    front = 1;
    total = 0;
  }

  int isnull() {
    if (rear == front)
      return 1;
    else
      return 0;
  }

  int isfull() {
    if (add(rear) == front)
      return 1;
    else
      return 0;
  }

  int add(int k) {
    int m;
    k = (k + 1) % 31;
    m = k;
    return m;
  }

  int Enqueue(String text) {
    if (isfull() == 0) {
      sms[rear] = text;
      rear = add(rear);
      total++;
      return 1;
    }
    else
      return 0;
  }

  String DeQueue() {
    String text = new String();
    if (isnull() == 0)
      text = sms[front];
    front = add(front);
    total--;

    return text;
  }

}