JAVA Constructors and Methods The variables declared in a class for the use of all methods of the class are called None of these reference variables instance variables objects None of these reference variables instance variables objects ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The following code contains one compilation error, find it?public class Test {Test() { } // line 1static void Test() { this(); } // line 2 public static void main(String[] args) { // line 3Test(); // line 4}} At line 3, compilation error, ambiguity problem, compiler can't determine whether a constructor At line 4 At line 1, constructor Tester must be marked public like its class At line 2, constructor call At line 3, compilation error, ambiguity problem, compiler can't determine whether a constructor At line 4 At line 1, constructor Tester must be marked public like its class At line 2, constructor call ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the output for the below code ?class A{ public A(){ System.out.println("A"); } public A(int i){ this(); System.out.println(i); }}class B extends A{ public B(){ System.out.println("B"); } public B(int i){ this(); System.out.println(i+3); }}public class Test{ public static void main (String[] args){ new B(5); }} B 8 A 5 A B 5 None of these A B 8 A 5 B 8 B 8 A 5 A B 5 None of these A B 8 A 5 B 8 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the expected output?public class Profile { private Profile(int w) { // line 1 System.out.print(w); } public static Profile() { // line 5 System.out.print (10); } public static void main(String args[]) { Profile obj = new Profile(50); }} Won't compile because of line (5), constructor can't be static Won't compile because of line (1), constructor can't be private 50 10 50 Won't compile because of line (5), constructor can't be static Won't compile because of line (1), constructor can't be private 50 10 50 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Determine output of the following program.public class Test{ public static void main(String args[]){ System.out.println( Math.floor( Math.random( ) ) ) ; }} 10.0 0.0 0.5 1.0 10.0 0.0 0.5 1.0 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the output for the below code?public class Test{ public static void printValue(int i, int j, int k){ System.out.println("int"); } public static void printValue(byte...b){ System.out.println("long"); } public static void main(String... args){ byte b = 9; printValue(b,b,b); }} long int None of these Compilation clean but throws RuntimeException Compilation fails long int None of these Compilation clean but throws RuntimeException Compilation fails ANSWER DOWNLOAD EXAMIANS APP
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