Tag: programming languages

Given: 1. class Ring { 2. final static int x2 = 7; 3. final static Integer x4 = 8; 4. public static void main(String[] args) { 5. Integer x1 = 5; 6. String s = "a"; 7. if(xl < 9) s += "b"; 8. switch(x1) { 9. case 5: s += "c"; 10. case x2: s += "d"; 11. case x4: s += "e"; 12. } 13. System.out.println(s); 14. } 15. } What is the result?

System.out.format("Pi is approximately %d.", Math.PI); What is the result?

Which two statements are true about has-a and is-a relationships? (Choose two.)

public static void test(String str) { if (str == null | str.length() == 0) { System.out.println("String is empty"); } else { System.out.println("String is not empty"); } } And the invocation: test(null); What is the result?

public class TestOne { public static void main (String[] args) throws Exception { Thread.sleep(3000); System.out.println("sleep"); } } What is the result?

It is recommended to overload run() in your Thread class

1 String #name = "Jane Doe"; 2 int $age = 24; 3 Double _height = 123.5; 4 double ~temp = 37.5; Which two statements are true?

The primary key on table EMP is the EMPNO column. Which of the following statements will not use the associated index on EMPNO?

Assuming today is Monday, 10 July 2000, what is returned by this statement: SELECT to_char(NEXT_DAY(sysdate, 'MONDAY'), 'DD-MON-RR') FROM dual;