hello world java

1public class Main {
2
3  public static void main(String[] args) {
4  	System.out.println("Hello, World!"); 
5  }
6  
7}

1class main {
2    public static void main(String[] args) {
3        System.out.println("Hello World!");
4    }
5}
6

1// This is just a line of code, but publilc class.... is needed!
2        System.out.println("This will be printed");

1class App {
2 public static void main(String[] args)  {
3  // Make sure to save the file with the .java extension and the program
4  // name should mark the class name, in this case, App
5   System.out.println("Hello World"); 
6 }
7}

1public class Main {
2
3  public static void main(String[] args) {
4    HelloWorld helloworld = new HelloWorld("Hello World");
5    helloworld.Print()
6  }
7  static class HelloWorld{
8    String sentence;
9    HelloWorld(String sentence){
10      this.sentence = sentence;
11    }
12    static void Print(){
13      System.out.println(sentence)
14      }
15}

1class HelloWorld {
2    public static void main(String[] args) {
3        System.out.println("Hello, World!"); 
4    }
5}

1public class FirstProgram 
2{
3    public static void main(String[] args)
4    {
5        System.out.println("Hello World.");
6    }
7}