JAVA Constructors and Methods public class MyClass{ }For the above class(MyClass) what is the correct way of declaring constructor? 1 and 3 MyClass(void) {} MyClass(){} public MyClass(){} public MyClass(void){} 1 and 3 MyClass(void) {} MyClass(){} public MyClass(){} public MyClass(void){} ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What will be the result of compiling and running the given code?class A{ int b=10; private A(){ this.b=7; } int f(){ return b; }}class B extends A{ int b;}public class Test{ public static void main(String[] args){ A a = new B(); System.out.println(a.f()); }} Prints 0 None of these Compilation Fails Prints 7 Prints 10 Prints 0 None of these Compilation Fails Prints 7 Prints 10 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Which of the modifier can't be used for constructors? private protected public static private protected public static ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the output for the below code ?1. public class A{2. int add(int i, int j){3. return i+j;4. }5. }6. public class B extends A{7. public static void main(String argv[]){8. short s = 9;9. System.out.println(add(s,6));10. }11.} Compile fail due to error on line no 2 None of these Compile fail due to error on line no 9 Compile fail due to error on line no 8 15 Compile fail due to error on line no 2 None of these Compile fail due to error on line no 9 Compile fail due to error on line no 8 15 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 2, constructor call At line 1, constructor Tester must be marked public like its class At line 4 At line 3, compilation error, ambiguity problem, compiler can't determine whether a constructor At line 2, constructor call At line 1, constructor Tester must be marked public like its class At line 4 At line 3, compilation error, ambiguity problem, compiler can't determine whether a constructor ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Given the following piece of code:class Person{ public int number;}public class Test{ public void doIt(int i , Person p){ i = 5; p.number = 8; } public static void main(String args[]){ int x = 0; Person p = new Person(); new Test().doIt(x, p); System.out.println(x + " " + p.number); }}What is the result? 5 0 0 8 5 8 0 0 5 0 0 8 5 8 0 0 ANSWER DOWNLOAD EXAMIANS APP
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