JAVA Constructors and Methods Which of the modifier can't be used for constructors? protected public static private protected public static private 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 Compilation Fails Prints 10 Prints 7 None of these Prints 0 Compilation Fails Prints 10 Prints 7 None of these 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); }} A B 5 A 5 B 8 None of these B 8 A 5 A B 8 A B 5 A 5 B 8 None of these B 8 A 5 A B 8 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); }} int None of these Compilation fails long Compilation clean but throws RuntimeException int None of these Compilation fails long Compilation clean but throws RuntimeException ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The variables declared in a class for the use of all methods of the class are called objects instance variables reference variables None of these objects instance variables reference variables None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Determine output:public class Test{ public static void main(String args[]){ MyClass obj = new MyClass(); obj.val = 1; obj.call(obj); System.out.println(obj.val); }}class MyClass{ public int val; public void call(MyClass ref){ ref.val++; }} None of these Compilation Error 2 3 1 None of these Compilation Error 2 3 1 ANSWER DOWNLOAD EXAMIANS APP
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