store.java

来自「java 完全探索的随书源码」· Java 代码 · 共 22 行

JAVA
22
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public class Store {  static JavaBook programmersGuide;  public static void init() {    programmersGuide = new JavaBook();  }  public static void main(String argv[]) {    init();    getInfo(programmersGuide);    getPrice(programmersGuide);  }  public static void getInfo(JavaBook item) {    System.out.println("Product Description: "+ item.getDescription());  }  public static void getPrice(Sellable item) {    System.out.println("Price: "+ item.getPricePerUnit());  }}

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