Declaration and Access Control Determine output:class A{{System.out.print("b1 ");}public A(){System.out.print("b2 ");}}class B extends A{static{System.out.print("r1 ");}public B(){System.out.print("r2 ");}{System.out.print("r3 ");}static{System.out.print("r4 ");}}public class Test extends B{public static void main(String[] args){System.out.print("pre ");new Test();System.out.println("post ");}} Compilation fail r1 r4 pre b1 b2 post r1 r4 pre b1 b2 r3 r2 post r1 r4 pre b1 b2 post r3 r2 pre r1 r4 b1 b2 r2 r3 post Compilation fail r1 r4 pre b1 b2 post r1 r4 pre b1 b2 r3 r2 post r1 r4 pre b1 b2 post r3 r2 pre r1 r4 b1 b2 r2 r3 post ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control Name the keyword that makes a variable belong to a class, rather than being defined for each instance of the class. static native abstract volatile final static native abstract volatile final ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control What is the result of compiling and running the following code?class Base{ private Base(){ System.out.print("Base"); }}public class test extends Base{ public test(){ System.out.print("Derived"); } public static void main(String[] args){ new test(); }} Derived BaseDerived Exception is thrown at runtime Compilation Error Derived BaseDerived Exception is thrown at runtime Compilation Error ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control You have the following code in a file called Test.javaclass Base{ public static void main(String[] args){ System.out.println("Hello"); }}public class Test extends Base{}What will happen if you try to compile and run this? Runtime error Compiles and runs printing Compiles and runs with no output. It will fail to compile. Runtime error Compiles and runs printing Compiles and runs with no output. It will fail to compile. ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control Determine output:public class InitDemo{static int i = demo();static{ System.out.print(i); }InitDemo(){System.out.print("hello1");}public static void main(String... args){ System.out.print("Hello2");} static int demo(){ System.out.print("InsideDemo");return 10;}} InsideDemo 10 Hello2 hello1 IllegalArgumentException is thrown at runtime. Compilation error. Hello2 InsideDemo 10 InsideDemo 10 Hello2 InsideDemo 10 Hello2 hello1 IllegalArgumentException is thrown at runtime. Compilation error. Hello2 InsideDemo 10 InsideDemo 10 Hello2 ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control A method within a class is only accessible by classes that are defined within the same package as the class of the method. Which one of the following is used to enforce such restriction? Declare the method with the keyword private. Declare the method with the keyword public. Do not declare the method with any accessibility modifiers. Declare the method with the keyword public and private. Declare the method with the keyword protected. Declare the method with the keyword private. Declare the method with the keyword public. Do not declare the method with any accessibility modifiers. Declare the method with the keyword public and private. Declare the method with the keyword protected. ANSWER DOWNLOAD EXAMIANS APP
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