fatal: not a git repository (or any of the parent directories): .

Description Modify the previous program to work with command-line arguments instead of the standard input.

callicoder Comparable –> compareTo() import java.util.Objects; class Employee implements Comparable<Employee> { private int id; private String name; private double salary; private LocalDate joiningDate; public Employee(int id, String name, double salary, LocalDate joiningDate) { this.

Rajeev Singh' blog Creating a HashMap and Adding key-value pairs to it

Conflict, mistake, lose files, those things happen, which I used to google the answer to solving, then forgot how to deal with it the next time. So know fundamental knowledge would help you better calm down, don’t get frustrated.

branch is the basic in the real-life work.

Here I am going to focus on git stash, very useful commend.

我对 instanceof 和 isInstance 太困惑了，现在来理一下。 interface A { } class B{ } class C implements A { } class D implements B { } public class Solution { public static void main(String[] args) { C s1 = new C(); D s2 = new S(); //孩子是不是父辈，祖辈的啊？要站在一起才能看到 System.

Description In this stage, you need to support decryption in your program.

This tutorial is for newbies who want to learn git in real life and easy way. 此篇教程献给学了点线面没学骨架的我，另外我学习的逻辑其实是骨架到面线点。