تدرس / تدرسي java او++ c وعندك سؤال .. تعـال / تعالي هنا

[BeeroOo]

السلام عليكم
ممكن الله يخليكم احد يشوف الكود دا صحيح مع العلم انو البرنامج عندي يعطيني انو العمليه اكتملت وبس ومايطلع لي ولا شي ولا كاني كتبت شي
import java.lang.*;
import java..*;
import java.util.*;
//..................................

public class Lap3 {

public static void main(String[] args) {
Scanner input=new Scanner(System.in);
String fullName,part1,x,y,z,space;
//...................................
Date d=new Date();
SimpleDateFormat sdf=new SimpleDateFormat("ddMMYYYY");
int date,r,a;
float f,s;
//...........................................
System.out.println("Enter your full name");
fullName=input.nextLine();
x=fullName.substring(1,2);
System.out.println(x);
//..................................
space=(" ");
fullName=fullName.substring(fullName.indexOf(space )+1,fullName.length());
y=fullName.substring(1,2);
System.out.println(y);
//............................
fullName=fullName.substring(fullName.indexOf(space )+1,fullName.length());
z=fullName.substring(1,2);
System.out.println(z);
//..................................................
System.out.println("the first part of the acount user Name will be :"+x+y+z+"\n");
System.out.println("the second part of the acount user Name will be:"+sdf.format(d));


//......................................
Random random=new Random();
r=random.nextInt(5)+1;
System.out.println("\n"+"\n"+"A random integer from 1 to 5 is:"+r);

//..............
f=Math.random();
System.out.println("\n"+"\n"+"A random float from 0 to 1 is:"+f);
//...........
DecimalFormat df=new DecimalFormat("0.000");
s=Math.pow(f,r);
System.out.println("\n"+"\n"+"A resault of raising the float number "+f+"to the integer number "+r+"is:"+s);
System.out.println("\n"+"\n"+"After round the number is:"+df.format(s));
//................
a=Math.abs(s);
System.out.println("\n"+"\n"+"abslut of the result is:"+a);
o=Math.ceil(s);
System.out.println("\n"+"\n"+" the result after round is:"+o);
System.out.println(".............................. .................\n\n"+x+y+z+"_"+sdf.format(d)+o+" \n");
}
}