Declaration and Access Control Choose the correct statement. Restriction on static methods are: I. They can only call other static methods.II. They must only access static data.III. They cannot refer this or super in any way. (I), (II) and (III) Only (I) (II) and (III) (I) and (II) Only (III) (I), (II) and (III) Only (I) (II) and (III) (I) and (II) Only (III) ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control Determine Output:class MyClass{ static final int a = 20; static final void call(){ System.out.println("two"); } static{ System.out.println("one"); }}public class Test{ public static void main(String args[]){ System.out.println(MyClass.a); }} one two one 20 one one two 20 20 one two one 20 one one two 20 20 ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control Which statements are most accurate regarding the following classes?class A{ private int i; protected int j;}class B extends A{ private int k; protected int m;} An object of B contains data fields j, m. An object of B contains data fields k, m. An object of B contains data fields j, k, m. An object of B contains data fields i, j, k, m. An object of B contains data fields j, m. An object of B contains data fields k, m. An object of B contains data fields j, k, m. An object of B contains data fields i, j, k, m. ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control What will be the output for the below code?static public class Test{ public static void main(String[] args){ char c = 'a'; switch(c){ case 65 : System.out.println("one");break; case 'a': System.out.println("two");break; case 3 : System.out.println("three"); } }} two Compile error - char can't be permitted in switch statement. None of these Compile error - Illegal modifier for the class Test; only public, abstract & final are permitted. one two Compile error - char can't be permitted in switch statement. None of these Compile error - Illegal modifier for the class Test; only public, abstract & final are permitted. one 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 protected. Declare the method with the keyword public. Declare the method with the keyword private. Declare the method with the keyword public and private. Do not declare the method with any accessibility modifiers. Declare the method with the keyword protected. Declare the method with the keyword public. Declare the method with the keyword private. Declare the method with the keyword public and private. Do not declare the method with any accessibility modifiers. ANSWER DOWNLOAD EXAMIANS APP
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 ");}} pre r1 r4 b1 b2 r2 r3 post r1 r4 pre b1 b2 post r3 r2 r1 r4 pre b1 b2 post Compilation fail r1 r4 pre b1 b2 r3 r2 post pre r1 r4 b1 b2 r2 r3 post r1 r4 pre b1 b2 post r3 r2 r1 r4 pre b1 b2 post Compilation fail r1 r4 pre b1 b2 r3 r2 post ANSWER DOWNLOAD EXAMIANS APP
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