JAVA Constructors and Methods What will be the return type of a method that not returns any value? int double None of these void int double None of these void 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 ? All of these A a = new A(String s); A a = new B(); A a = new B(5); None of these All of these A a = new A(String s); A a = new B(); A a = new B(5); None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is Math.floor(3.6)? 3.0 3 4.0 4 3.0 3 4.0 4 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 None of these int Compilation fails Compilation clean but throws RuntimeException long None of these int Compilation fails Compilation clean but throws RuntimeException 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 5 B 8 A B 8 None of these A B 5 B 8 A 5 A 5 B 8 A B 8 None of these A B 5 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 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 At line 4 At line 1, constructor Tester must be marked public like its class ANSWER DOWNLOAD EXAMIANS APP
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