JAVA Constructors and Methods What is Math.floor(3.6)? 3 4 3.0 4.0 3 4 3.0 4.0 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods public class Test { }What is the prototype of the default constructor? None of these Test(void) Test( ) public Test( ) public Test(void) None of these Test(void) Test( ) public Test( ) public Test(void) 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); }} None of these Compilation clean but throws RuntimeException int long Compilation fails None of these Compilation clean but throws RuntimeException int long Compilation fails 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); }} 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 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 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 4 At line 1, constructor Tester must be marked public like its class At line 3, compilation error, ambiguity problem, compiler can't determine whether a constructor At line 2, constructor call At line 4 At line 1, constructor Tester must be marked public like its class At line 3, compilation error, ambiguity problem, compiler can't determine whether a constructor At line 2, constructor call ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods class A{ A(String s){} A(){}}1. class B extends A{2. B(){}3. B(String s){4. super(s);5. }6. void test(){7. // insert code here8. }9. }Which of the below code can be insert at line 7 to make clean compilation ? A a = new B(); A a = new B(5); A a = new A(String s); All of these None of these A a = new B(); A a = new B(5); A a = new A(String s); All of these None of these ANSWER DOWNLOAD EXAMIANS APP
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