switch……case练习

import java.util.ArrayList; import java.util.List; public class StartMain { public static void main(String [] args){ //第一个程序，HelloWorld HelloWorld h = new HelloWorld(); h.practice(); //判断语句，if--else练习 IfPractice ifPractice = new IfPractice(); int score=65; System.out.println(ifPractice.practice(score)); //判断语句，三目运算符练习 TernaryPractice t = new TernaryPractice(); System.out.println(t.practice(score)); //判断语句，switch语句练习 SwitchPractice s = new SwitchPractice(); System.out.println(s.practice(score)); } }