class Foo { public static void main(String [] args) { int x = 0; int y = 4; for(int z=0; z 〈 3; z++, x++) { if(x 〉 1 & ++y 〈 10) y++; } System.out.println(y); } } 结果是什么?()
public static void main(String[] args) { String str = “null‟; if (str == null) { System.out.println(”null”); } else (str.length() == 0) { System.out.println(”zero”); } else { System.out.println(”some”); } } What is the result?()
11.classA { 12. public void process() { System.out.print(”A “); } } 13. class B extends A { 14. public void process() throws RuntimeException { 15. super.process(); 16. if (true) throw new RuntimeException(); 17. System.out.print(“B”); }} 18. public static void main(String[] args) { 19. try { ((A)new B()).process(); } 20. catch (Exception e) { System.out.print(”Exception “); } 21. } What is the result?()
public void test(int x) { int odd = x%2; if (odd) { System.out.println(“odd); } else { System.out.println(“even”); } } Which statement is true?()
11. public static void main(String[] args) { 12. Object obj = new Object() { 13. public int hashCode() { 14. returns 42; 15. } 16. }; 17. System.out.println(obj.hashCode()); 18. } What is the result? ()
class Beta{ public static void main(String[] args){ Integer x=new Integer(6)*7; if(x!=42){ System.out.print(“42”); } else if(xSystem.out.println(“less”); }else{ System.out.print(“done”); }}} 结果是什么?()
class Output{ public static void main(String[] args){ int i=4; System.out.print("3"+i+" "); System.out.print(i+4+"6"); System.out.println(i+"7"); } } 结果为:()
Given: 10.interface Data { public void load(); } 11.abstract class Info { public abstract void load(); } Which class correctly uses the Data interface and Info class?()
11. static class A { 12. void process() throws Exception { throw new Exception(); } 13. } 14. static class B extends A { 15. void process() { System.out.println(”B”); } 16. } 17. public static void main(String[] args) { 18. new B().process(); 19. } What is the result?()
static void test() throws RuntimeException { try { System.out.print(”test “); throw new RuntimeException(); } catch (Exception ex) { System.out.print(”exception “); } } public static void main(String[] args) { try { test(); } catch (RuntimeException ex) { System.out.print(”runtime “); } System.out.print(”end “); } What is the result?()