Which of the following statements regarding Enterprise Java Beans is incorrect?

Which statements are true regarding the structure of a WebArchive file?

Best option for scaling existing an application due to resource requirements, without changing its code?

Which exception must a setter of a constrained JavaBean property throw to prevent the property value from changing?

Assuming there is database recovery/backup system in place, which of the following statements is true with regard to committed and uncommitted data of entity beans?

Which will programmatically throw an exception?

class A { A(String s) { } A() { } } 1. class B extends A { 2. B() { } 3. B(String s) { 4. super(s); 5. } 6. void test() { 7. // insert code here 8. } 9. } Which of the below code can be insert at line 7 to make clean compilation?

What is the output for the below code ? public class A { int k; boolean istrue; static int p; public void printValue() { System.out.print(k); System.out.print(istrue); System.out.print(p); } } public class Test{ public static void main(String argv[]){ A a = new A(); a.printValue(); } }

Find the given file. package com.concretepage; public class Computer implements Device{ public void doIt() { } } abstract class Phone1 extends Computer { } abstract class Phone2 extends Computer{ public void doIt(int x) { } } class Phone3 extends Computer implements Device{ public void doStuff() { } } interface Device { public void doIt(); } What is the result?

Method which follows JavaBeans standard?

What will be the result of compiling the following code: public class SuperClass { public int doIt(String str, Integer… data)throws Exception{ String signature = “(String, Integer[])”; System.out.println(str + ” ” + signature); return 1; } } public class SubClass extends SuperClass{ public int doIt(String str, Integer… data) { String signature = “(String, Integer[])”; System.out.println(“Overridden: ” + str + ” ” + signature); return 0; } public static void main(String… args) { SuperClass sb = new SubClass(); sb.doIt(“hello”, 3); } }