MyClass.java
 

public class MyClass { 
  public static void main(String[] args) { 
    Integer myInt = 5; 
    Double myDouble = 5.99; 
    Character myChar = 'A'; 
    System.out.println(myInt);
    System.out.println(myDouble);
    System.out.println(myChar);
  }
}

Result:
5
5.99
A