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public class lab5{
public static void main(String[] args){
boolean czyPada=true;
if(czyPada){
System.out.println("Zmienna jest prawdziwa");
}
else{System.out.println("Zmienna jest nie prawdziwa");
}
System.out.println(" ");
int wrt=0;
System.out.println("Podaj liczbe");
//java.util.Scanner in=new java.util.Scanner(System.in);
//wrt=in.nextInt();
System.out.println(" ");

if(wrt<=-15){System.out.println("Wrt nalezy do B");}
else if(wrt<=-13){System.out.println("Wrt nalezy do A i B");}
else if(wrt<=-10){System.out.println("Wrt nalezy do A");}
else if(wrt<=-8){System.out.println("Wrt nie nalezy do zadnego zbioru");}
else if(wrt<=-5){System.out.println("Wrt nalezy do B");}
else if(wrt<-4){System.out.println("Wrt nalezy do A i B");}
else if(wrt<=-3){System.out.println("Wrt nalezy do A, B i C");}
else if(wrt<0){System.out.println("Wrt nalezy do A i C");}
else if(wrt<5){System.out.println("Wrt nalezy do C");}
else if(wrt<10){System.out.println("Wrt nalezy do A i C");}
else {System.out.println("Wrt nalezy do C");}
System.out.println(" ");
System.out.println(" ");

int ile=0;
if(wrt>-15&&wrt<-10){
ile++;
}
if(wrt<-13){
ile++;
}
if(ile==1){System.out.println("Zmienna wrt nalezy do jednego zbioru");}
else{System.out.println("Zmienna wrt nalezy do dwoch albo zadnego zbioru");}


System.out.println(" ");
System.out.println(" ");

double sqTwo = Math.sqrt(2);
// moje przewidywania sa takie ze double nie jest dokladny

double poKwadracie=sqTwo*sqTwo;
poKwadracie-=2;
System.out.println(poKwadracie);
System.out.println(" ");
System.out.println(" ");

if(poKwadracie==0){System.out.println("Przewidywania sie nie sprawdzily");}
else{System.out.println("Przewidywania sie sprawdzily");}
System.out.println(" ");
System.out.println(" ");

int x=4;
long y=x*4-x++;
if(y<12)System.out.println("za malo");
else System.out.println("w sam raz");

//Jest w sam raz, bo jest dokladnie 12, poniewaz inkrementacja x
//zachodzi po odjeciu x od y, czyli odejmujemy 4 zamiast 5

System.out.println(" ");
System.out.println(" ");




}
}
     
 
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