Declaration and Access Control The object is created with new keyword At Compile-time At run-time None of these Depends on the code At Compile-time At run-time None of these Depends on the code ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control Consider the following two classes declared and defined in two different packages, what can be added in class B to form what considered a correct access to class A from main() method of class B?package subPackage;public class A { }package anotherPackage;// line 1public class B{public static void main(String[] args){// line 2}}1. At line1 add noting; At line2 add: new A();2. At line 1 add: import package.*; at line 2 add : new subPackage.A();3. At line 1 add: import subPackage.*; at line 2 add : new A();4. At line 1 add: import subPackage.A; at line 2 add : new A(); 3 and 4 1 and 3 1 and 2 2 and 4 3 and 4 1 and 3 1 and 2 2 and 4 ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control What will be the output?public class Test{static{int a = 5;}public static void main(String args[]){new Test().call();}void call(){this.a++;System.out.print(this.a);}} Runtime Exception 6 0 5 Compile with error Runtime Exception 6 0 5 Compile with error 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"); } }} Compile error - Illegal modifier for the class Test; only public, abstract & final are permitted. None of these one two Compile error - char can't be permitted in switch statement. Compile error - Illegal modifier for the class Test; only public, abstract & final are permitted. None of these one two Compile error - char can't be permitted in switch statement. 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 public. Do not declare the method with any accessibility modifiers. Declare the method with the keyword private. Declare the method with the keyword protected. Declare the method with the keyword public and private. Declare the method with the keyword public. Do not declare the method with any accessibility modifiers. Declare the method with the keyword private. Declare the method with the keyword protected. Declare the method with the keyword public and private. 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 ");}} r1 r4 pre b1 b2 post r1 r4 pre b1 b2 r3 r2 post pre r1 r4 b1 b2 r2 r3 post r1 r4 pre b1 b2 post r3 r2 Compilation fail r1 r4 pre b1 b2 post r1 r4 pre b1 b2 r3 r2 post pre r1 r4 b1 b2 r2 r3 post r1 r4 pre b1 b2 post r3 r2 Compilation fail ANSWER DOWNLOAD EXAMIANS APP
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