IntelliJ IDEA artifact usage skills

Note: Since I have only written a blog for a while, the summary is not perfect at present, and will be gradually improved in the future. For details, please refer to the free course of MOOC: IntelliJ IDEA artifact usage skills: http://www.imooc.com/learn/924 (Thanks to the author of the course: The Flash)

Shortcut key to

 create file:

ctrl+alt+insert: Create Class files, folders...

Smart return:
 Ctrl+alt+V: Smart return response type result 

row operation:
 1. shift+Enter: insert a row down 
2. ctrl+alt+Enter: insert a 

row
 operation 1. alt+left mouse button: column edit 
2 . ctrl+alt+shift+J: select all selected symbols (eg: select all semicolons) 
3. ctrl+right arrow: move the cursor to the next word 
4. ctrl+shift+right arrow: move the cursor down A word and select 
5. shift+Home: move the cursor to the beginning of the line and select 
6. shift+End: move the cursor to the end of the line and select 
7. F2/shift+F2: quickly navigate down (up) to the wrong line 
8. alt+insert: generate constructor, get/set method, override method, toString()... 
9. alt+enter: intelligent prompt

Postfix: Postfix, Postfix(for, sout, field(name.field)... There are many defaults to be studied later)
 1. 100.for 
2. date.sout 
3. "String".r + up arrow 
4 .name.nn (non-null judgment), name.null (null judgment)

1  import java.util.Date;
 2  
3  /** 
4  Postfix: suffix, Postfix(for, sout, field(name.field)... There are many defaults, which will be studied later)
 5    1. 100.for
 6    2. date.sout
 7    3. "String".r + up arrow
 8  
9    4. name.nn, name.null
 10  
11   */ 
12  public  class Postfix {
 13  
14      public  static  void main(String[] args) throws InterruptedException {
 15          for ( int i = 0; i < 100; i++ ) {
 16             Date date = new Date();
17             Thread.sleep(1000);
18             System.out.println(date);
19         }
20     }
21     private String name = "zs";
22     private int age = 20;
23 
24     private String getStr(){
25         if (name != null) {
26 
27         }
28         if (name == null) {
29 
30         }
31         return "string";
32     }
33 
34 }

 

alt+enter: Smart Tips

import java.util.List; 

/** 
AltEnter: Smart prompt 
    Note: ctrl+alt+insert: Create Class files, folders... 
    1. Automatically create functions 
    2. List replace 
    3. String format or build 
    4. Word Spelling 
    5. Import package 
*/ 
public class AltEnter { 
    /** 
     * 1. Automatically create function 
     * 2. List replace 
     * @param args 
     */ 
    public static void main(String[] args) { 
        fuc1(); 
        fun3() ; 
    } 

    private static String fuc1() { 

        return "string"; 
    } 

    /** 
     * 2. List replace 
     * @param list 
     */ 
    private static void fun2(List<String> list) {
        int i = 0;
        while (true) {
            if (!(i < list.size())) break;

            i++;
        }
    }

    /**
     * 3. 字符串的format或者build
     */
    private static void fun3() {
        String name = "zs";
        int age = 20;
        String x1 = String.format("name: %s, age: %d", name, age);
        String x2 = new StringBuilder().append("name: ").append(name).append(", age: ").append(age).toString();
        System.out.println(x1);
        System.out.println("---------------");
        System.out.println(x2);

    }
}