Declaration and Access Control A package is a collection of Interfaces Classes Editing tools Classes and Interfaces Editing tools and Interfaces Interfaces Classes Editing tools Classes and Interfaces Editing tools and Interfaces ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control What will be the output?public class Test{ public static void main(String[] args){ String value = "abc"; changeValue(value); System.out.println(value); } public static void changeValue(String a){ a = "xyz"; }} Compilation fails abc Compilation clean but no output None of these xyz Compilation fails abc Compilation clean but no output None of these xyz 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"); } }} one two Compile error - Illegal modifier for the class Test; only public, abstract & final are permitted. Compile error - char can't be permitted in switch statement. None of these one two Compile error - Illegal modifier for the class Test; only public, abstract & final are permitted. Compile error - char can't be permitted in switch statement. None of these ANSWER DOWNLOAD EXAMIANS APP
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. Only (III) (II) and (III) Only (I) (I), (II) and (III) (I) and (II) Only (III) (II) and (III) Only (I) (I), (II) and (III) (I) and (II) 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. InsideDemo 10 Hello2 Compilation error. Hello2 InsideDemo 10 InsideDemo 10 Hello2 hello1 IllegalArgumentException is thrown at runtime. InsideDemo 10 Hello2 Compilation error. Hello2 InsideDemo 10 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(); 1 and 3 3 and 4 2 and 4 1 and 2 1 and 3 3 and 4 2 and 4 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
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