HelloWorld case analysis

A program can be seen as a description of the execution process of a series of actions .
To write –> compile –> function
Hello world introduction

public class HelloWorld{
    
	public static void main(String[] args){
    
		System.out.println("Hello World!");
            }
 }

/** Structure definition statement  */
public class HelloWorld{
    
  /*  Multiline comment  /**  Documentation Comments  /** */
  public: keyword , Public ( public )
  class: keyword , Category ( classification )
  HelloWorld: Custom word name , Represents a class name 
  {
    } Scope of representation ( Scope )
  static: keyword , Represents static 
  void: keyword , return type ( empty , no return value )
  main: Indicates the name of the main function 
  main Back () Represents a list of arguments to a function 
  string[]: Represents an array of strings 
  args Represents the name of the string array 
*/
  */
  /** Structure definition statement  */
	public static void main(String[] args){
    
	    // Output a sentence to the console :hello world!
		// A semicolon indicates a statement 
		/** Function execution statement  */
		System.out.println("Hello World!");
            }
 }

Code format :

• java Code location
• java It's strictly case sensitive
• java It's a free-form language
• The code is divided into structure definition statement and function execution statement
• The function execution statement must end with a semicolon