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 None of these A a = new A(String s); A a = new B(); A a = new B(5); All of these None of these A a = new A(String s); A a = new B(); A a = new B(5); ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The finalize() method is called just prior to A variable goes out of scope. None of these An object or variable goes out of scope. An object, variable or method goes out of scope. Before garbage collection. A variable goes out of scope. None of these An object or variable goes out of scope. An object, variable or method goes out of scope. Before garbage collection. 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); }} None of these B 8 A 5 A B 5 A 5 B 8 A B 8 None of these B 8 A 5 A B 5 A 5 B 8 A B 8 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods class MyClass{ MyClass(){ System.out.print("one"); } public void myMethod(){ this(); System.out.print("two"); }} public class TestClass{ public static void main(String args[]){ MyClass obj = new MyClass(); obj.myMethod(); }} one one two two one one one Exception Compilation Error None of these one one two two one one one Exception Compilation Error None of these 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()); }} Compilation Fails None of these Prints 0 Prints 10 Prints 7 Compilation Fails None of these Prints 0 Prints 10 Prints 7 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the output of the program?class Test{ public int display(int x, int y){ return ("The sum of x and y is " + x + y); } public static void main(String args[]){ Test test = new Test(); System.out.println(test.display(4,5)); } } The sum of x and y is 9 None of these The sum of x and y is 45 does not compile The sum of x and y is 9 None of these The sum of x and y is 45 does not compile ANSWER DOWNLOAD EXAMIANS APP
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