JAVA Constructors and Methods What is the output of the above program ?class Num { Num(double x ){ System.out.println( x ) ; } }public class Test extends Num { public static void main(String[] args){ Num num = new Num( 2 ) ; } } 0 None of these 2.0 Compile time error 0 None of these 2.0 Compile time error ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods In which area of memory, the system stores parameters and local variables whenever a method is invoked? Storage Area Stack Heap Array Storage Area Stack Heap Array 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(5); A a = new B(); A a = new A(String s); All of these None of these A a = new B(5); A a = new B(); A a = new A(String s); All of these None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The finalize() method is called just prior to Before garbage collection. An object or variable goes out of scope. A variable goes out of scope. An object, variable or method goes out of scope. None of these Before garbage collection. An object or variable goes out of scope. A variable goes out of scope. An object, variable or method goes out of scope. None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The main method should be static for the reason It can be accessed by every method or variable without any hindrance. It can be executed without creating any instance of the class. None of these It can be accessed easily by the class loader. It can be accessed by every method or variable without any hindrance. It can be executed without creating any instance of the class. None of these It can be accessed easily by the class loader. 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 7 None of these Compilation Fails Prints 0 Prints 10 Prints 7 None of these Compilation Fails Prints 0 Prints 10 ANSWER DOWNLOAD EXAMIANS APP
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