2011年JAVA认证模拟题第二阶段（25）

会计考友 · 发表于 2012-8-4 12:33:16

　　Q73.Given an object created by the following class
　　1. class Example extends Object {
　　2. public void Increment (Integer N) {
　　3. N = new Integer( N.intValue() + 1);
　　4. ｝
　　6. public void Result(int x) {
　　7. Integer X = new Integer(x);
　　8. Increment(X);
　　9. System.out.println(“New value is” + X);
　　10. ｝
　　11. ｝
　　What happens when a program calls the Result method with a value of 30?
　　a. The message “New value is 31” goest to the standard output.
　　b. The message “New value is 29” goes to the standard output.
　　c. The message “New Value is 30” goes to the standard output.
　　d. The program fails to compile.
　　Q74.What is the output of the following program
　　1. public class Test {
　　2. private int i = giveMeJ();
　　3. private int j = 10;
　　4.
　　5. private int giveMeJ() {
　　6. return j;
　　7. ｝
　　8.
　　9. public static void main(String args[]) {
　　10. System.out.println((new AQuestion()).i);
　　11. ｝
　　12. ｝
　　Select one correct answer
　　a. Compiler error complaining about access restriction of private variables of AQuestion.
　　b. Compiler error complaining about forward referencing.
　　c. No Compilation error - The output is 0;
　　d. No Compilation error - The output is 10;
　　Q75.What is the result of compiling the following program
　　1. public class Test {
　　2. public static void main(String args[]) {
　　3. System.out.println(“Before Try”);
　　4. try {
　　5. ｝ catch(java.io.IOException t) {
　　6. System.out.println(“Inside Catch”);
　　7. ｝
　　8. System.out.println(“At the End”);
　　9. ｝
　　10. ｝
　　Select one correct answer
　　a. No Compilation Error.
　　b. Compiler error complaining about the catch block where no IOException object can ever be thrown.
　　c. Compiler error - IOException not found. It must be imported in the first line of the code.
　　d. No compiler error. The lines “Before Try” and “At the end” are printed on the screen.
　　73. c
　　74. c
　　75. b

		自动登录	找回密码
密码			立即注册

[考试试题] 2011年JAVA认证模拟题第二阶段（25）