TryCatchTest

public class TryCatchTest {
    
    public static void main(String[] args) {
        System.out.println("程序开始");
        try {
            System.out.println("程序 1");
            String str=null;
            str.equals("");
            System.out.println("程序 2");
            //return;
        } catch (Exception e) {
            System.out.println("程序 3");
            return;
        }finally {
            System.out.println("程序 4");
        }
        System.out.println("程序 5");
    }

}