operation.java

来自「一个电梯模拟程序」· Java 代码 · 共 17 行

package lift.component.type;

public enum Operation {
    OPEN, CLOSE;
    
    public String toString(){
        String temp;
        switch(this.ordinal()){
            case 0:
                return "↑";
            case 1:
                return "↓";
        }
        return "null";
    }
}