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

boolean isOn = true;
System.out.println(isOn);

byte level = 100;
System.out.println(level);

char grade = 'A';
System.out.println(grade);

short temp = 3000;
System.out.println(temp);

long population = 8000000000L;
System.out.println(population);

float price = 12.99f;
System.out.println(price);

double pi = 3.14159;
System.out.println(pi);

Type     | Size     | Range
-------- | -------- | -----------------------------------------------
byte     | 8 bit    | -128 to 127
short    | 16 bit   | -32,768 to 32,767
int      | 32 bit   | -2,147,483,648 to 2,147,483,647
long     | 64 bit   | -9.2e+18 to 9.2e+18
float    | 32 bit   | ~±3.4e+38
double   | 64 bit   | ~±1.8e+308
char     | 16 bit   | '\u0000' to '\uFFFF'
boolean  | 1 bit    | true, false

int a = 10;
a += 5;
a -= 2;
System.out.println(a);

int year = 2024;
String winner = "Israel";
System.out.println("In " + year + ", " + winner + " won!");