Valdymo struktūros 2

1. Valdymo struktūros 2

2. While ciklas while (expression) { // do stuff } or int x = 2; while(x == 2) { System.out.println(x); ++x; }

3. while (int x = 2) { } Ar teisinga?

4. int x = 1; 1 while (x) { } 2 while (x = 5) 3 while (x == 5) { } 4 while (true) { }

5. Do ciklas do { System.out.println("Inside loop"); } while(false);

6. For each String [] sNums = {"one", "two", "three"}; for(String s : sNums) { System.out.println(s); }

7. Break ir continue boolean problem = true; while (true) { if (problem) { System.out.println("There was a problem"); break; } } while (!EOF) { //read a field from a file if (wrongField) { continue; // move to the next field in the file } // otherwise do other stuff with the field }

8. Žymės boolean isTrue = true; outer: for(int i=0; i<5; i++) { while (isTrue) { System.out.println(“1"); break outer; } System.out.println(“2"); } System.out.println(“3");

9. outer: for (int i=0; i<5; i++) { for (int j=0; j<5; j++) { System.out.println(“1"); continue outer; } System.out.println(“2"); } System.out.println(“3");

10. Išvardijimai enum CoffeeSize { BIG, HUGE, OVERWHELMING };

11. public class CoffeeTest1 { public static void main(String[] args) { enum CoffeeSize { BIG, HUGE, OVERWHELMING } // WRONG! Cannot // declare enums // in methods Coffee drink = new Coffee(); drink.size = CoffeeSize.BIG; } }

12. Išimtys

13. Klaidų šaltiniai • Kompiuteris • JRE • Vartotojo sukurta programa