Questões para Certificação JAVA 1 4_pag21

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Certified Java Programmer Mock Exam 21
 ", " + (k == 0)); 
 } 
} 
What is the result of attempting to compile and run the above program? 
a. Prints: false, false, false 
b. Prints: false, false, true 
c. Prints: true, true, false 
d. Prints: true, true, true 
e. Compiler error. 
f. Run time error. 
 
Question 9 
1. class Green { 
2. public static void main (String args[]) { 
3. int[] i = null; 
4. Cloneable c = i; 
5. i = (int [])c; 
6. } 
7. } 
What is the result of attempting to compile and run the above program? 
a. Compiler error at line 3. 
b. Runtime error at line 3. 
c. Compiler error at line 4. 
d. Runtime error at line 4. 
e. Compiler error at line 5. 
f. Runtime error at line 5. 
g. Compiles and runs without error. 
 
Question 10 
class Fuchsia { 
 public static void main (String[] args) { 
 System.out.println((short)Integer.MIN_VALUE + 
 ", " + (short)Integer.MAX_VALUE + 
 ", " + (int)(char)Integer.MIN_VALUE + 
 ", " + (int)(char)Integer.MAX_VALUE); 
 } 
} 
What is the result of attempting to compile and run the above program? 
a. Prints: -32768, 32767, -32768, 32767 
b. Prints: -32768, 32767, 0, 65535 
c. Prints: 0, 0, 0, 0 
d. Prints: 0, -1, 0, 65535 
e. Compiler error. 
f. Run time error. 
 
Question 11 
class A { 
 static int m(int i) { 
 System.out.print(i + ","); 
 return 0; 
 } 
 public static void main (String[] args) { 
 int i = 0; 
 i = i++ + m(i); 
 System.out.print(i); 
 } 
} 
What is the result of attempting to compile and run the above program? 
a. Prints: 0,0 
b. Prints: 1,0 
c. Prints: 0,1 
d. Prints: 1,1 
e. Runtime error 
f. Compiler error 
g. None of the above 
 
Question 12 
class M { 
 static int m(int i) { 
 System.out.print(i + ", "); 
 return i; 
 } 
 public static void main(String s[]) { 
 int i = 1; 
 int j = m(i++) + m(i++) * m(i++) + m(i++); 
 System.out.print(j % 5); 
 } 
} 
What is the result of attempting to compile and run the above program?