QUESTION 39 Given classes defined in two different files: 1. package util; 2. public class BitUtils { 3. private static void process(byte[] b) {} 4. } and 1. package app; 2. public class SomeApp { 3. public static void main(String[] args) { 4. byte[] bytes = new byte[256]; 5. // insert code here 6. } 7. } What is required at line 5 in class SomeApp to use the process method of BitUtils? A. proce..

QUESTION 38 Given: 01. public static void test(String str) { 02. int check = 4; 03. if (check = str.length()) { 04. System.out.print(str.charAt(check -= 1) +", "); 05. } else { 06. System.out.print(str.charAt(0) + ", "); 07. } 08. } and the invocation: test("four"); test("tee"); test("to"); What is the result? A. r, t, t, B. r, e, o, C. Compilation fails. D. An exception is thrown at runtime. So..

QUESTION 36 Given: class Snoochy { Boochy booch; public Snoochy() { booch = new Boochy(this); } } class Boochy { Snoochy snooch; public Boochy(Snoochy s) { snooch = s; } } And the statements: 21. public static void main(String[] args) { 22. Snoochy snoog = new Snoochy(); 23. snoog = null; 24. // more code here 25. } Which statement is true about the objects referenced by snoog, snooch, and booch..

QUESTION 35 Which three code fragments, added individually at line 29, produce the output 100? (Choose three.) 10. class Inner { 11. private int x; 12. public void setX( int x ){ this.x = x; } 13. public int getX(){ return x;} 14. } 15. 16. class Outer { 17. private Inner y; 18. public void setY( Inner y ){ this.y = y; } 19. public Inner getY() { return y; } 20. } 21. 22. public class Gamma { 23..

QUESTION 34 Given classes defined in two different files: 1. package util; 2. public class BitUtils { 3. public static void process(byte[] b) { /* more code here */ } 4. } 1. package app; 2. public class SomeApp { 3. public static void main(String[] args) { 4. byte[] bytes = new byte[256]; 5. // insert code here 6. } 7. } What is required at line 5 in class SomeApp to use the process method of B..

QUESTION 32 Given 11. public interface Status { 12. /* insert code here */ int MY_VALUE = 10; 13. } Which three are valid on line 12? (Choose three.) A. final B. static C. native D. public E. private F. abstract G. protected Solution : ABD plus imformation C : 자바에서 지원하는 다른 언어와의 연동이 가능하게 해주는 메소드F : 추상화 클래스를 만들 때 사용