public class Main_ { public static void main(String[] args) { System.out.println("Hey! idk what to do"); System.out.println("Huh? wacha mean?"); } } //a one line comment /*a big li... public class Main_ { public static void main(String[] args) { System.out.println("Hey! idk what to do"); System.out.println("Huh? wacha mean?"); } } //a one line comment /*a big line comment*/ public class Variables_ { public static void main(String[] args) { int a; a=123; int b=124; boolean c=true; float d=125.23679f; double e=3.14159265358979; char f='M'; char g='S'; String h="Hi, My inisials are "; System.out.println(a); System.out.println(b); System.out.println(c); System.out.println(d); System.out.println(e); System.out.println(f+""+g); System.out.println(h + f+g+"!!"); } } public class SwapTwo_{ public static void main(String[] args) { String x="Water"; String y="Orange TANG"; String temp=null; temp=x; x=y; y=temp; System.out.println("Value x= "+x); System.out.println("Value y= "+y); } } import java.util.Scanner; public class UserInput_{ public static void main(String[] args) { Scanner scan= new Scanner(System.in); System.out.println("You're name is?"); String name= scan.nextLine(); System.out.println("Ohh okay and you're age would be?"); int age=scan.nextInt(); scan.nextLine(); System.out.println("So what would you like to order!?"... } } public class Operations_{ public static void main(String[] args) { int a=10, b=5; System.out.println(); System.out.println(" Value of a="+a); System.out.println(" Value of b="+b); System.out.println(); System.out.println("----------"); System.out.println("1. Arithametic Operators:"); System.out.println("This is Addition of a and b\n ->"+a+b); ... } } Read more