scale.java

来自「Java program for making trip reservation」· Java 代码 · 共 45 行

package try1;

public abstract class Scale {

	private String scaleDescription;

	private String type;

	private static long currentID = 0;

	private static synchronized long getNextID() {
		Scale.currentID++;
		return Scale.currentID;
	}

	protected long id;

	public Scale() {
		id = getNextID();
	}

	public long getId() {
		return this.id;
	}

	public abstract void doCalculate();

	public String getScaleDescription() {
		return scaleDescription;
	}

	public void setScaleDescription(String scaleDescription) {
		this.scaleDescription = scaleDescription;
	}

	public String getType() {
		return type;
	}

	public void setType(String type) {
		this.type = type;
	}

}