5.12finaltest.java

来自「JAVA程序设计的源代码」· Java 代码 · 共 17 行

public class FinalTest{
public static void main(String []args){
int n1 = Shape.numSidesTriangle;    //直接引用最终类中的属性
int n2 = Shape.numSidesSquare;
int n3 = Shape.numSidesPentagon;
System.out.println("Sides of Triangle is："+n1);
System.out.println("Sides of Square is："+n2);
System.out.println("Sides of Pentagon is：" +  n3);
}
}

final class Shape{    //定义最终类   
public static final int numSidesTriangle = 3;    //定义最终类中的属性
public static final int numSidesSquare = 4;
public static final int numSidesPentagon = 5;
}