Notes

System.out.println("Number of factorial");
int x=1;
int sayi = 7;


for(int i=1;i<=sayi;i++) {

x = x * (i) ;
System.out.println(i + "! = " + x);
}

/////////////////

double sayi, faktoriyel=1;
Scanner scan = new Scanner(System.in);
System.out.print("Enter a nonnegative integer: ");
sayi=scan.nextDouble();
if(sayi<0){
System.err.println("Please enter a nonnegative number!");
}
else{
for(int i=2; i<=sayi; i++){

faktoriyel=i*faktoriyel;

}
System.out.println(sayi+" number of factorial = "+faktoriyel);

//////////////////////////

int a;
System.out.print("Pleease enter a degree value (in Celsius): ");
Scanner scan = new Scanner(System.in);
a = scan.nextInt();

if(a < 16)
System.out.print(a+" is a cold day");
if(a > 17 && a < 29)
System.out.print(a+"is a pleasant day");
if( a > 30)
System.out.print(a+"is a hot day");
///////////////

int a,cdcounter = 0,pdcounter = 0,hdcounter = 0;
double sum = 0, avarage = 0, max = -9999,min = 9999;
System.out.println("Please enter degree values in Celsius (enter -1000 to quit) :");
for(;;){
Scanner scan = new Scanner(System.in);
a = scan.nextInt();
if( a <= -1000)
break;
if ( a > max)
max = a;
if ( a < min)
min = a;

sum = sum + a;
if(a < 16){
System.out.println(a+" is a cold day");
cdcounter++;}
if(a > 17 && a < 29){
System.out.println(a+" is a pleasant day");
pdcounter++;}
if( a > 30){
System.out.println(a+" is a hot day");
hdcounter++;}
}




avarage = sum/5;



System.out.println("Number of cold days:" +cdcounter);
System.out.println("Number of pleasant days:" +pdcounter);
System.out.println("Number of hot days:" +hdcounter);
System.out.println("The avarage temperature is:" +avarage);
System.out.println("Maximum temperature is:" +max);
System.out.println("Minumum temperature is:" +min);