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 A(String s); A a = new B(5); All of these A a = new B(); None of these A a = new A(String s); A a = new B(5); All of these A a = new B(); None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Which of these is a legal definition of a method named examveda assuming it throws IOException, and returns void. Also assume that the method does not take any arguments. Select the one correct answer. examians() throws IOException{} void examians(void) throws IOException{} void examians() {} throws IOException void examians() throw IOException{} void examians() throws IOException{} examians() throws IOException{} void examians(void) throws IOException{} void examians() {} throws IOException void examians() throw IOException{} void examians() throws IOException{} 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? Array Stack Heap Storage Area Array Stack Heap Storage Area ANSWER DOWNLOAD EXAMIANS APP
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 ) ; } } Compile time error None of these 0 2.0 Compile time error None of these 0 2.0 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods public class Test { }What is the prototype of the default constructor? None of these Test( ) Test(void) public Test( ) public Test(void) None of these Test( ) Test(void) public Test( ) public Test(void) ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The implicit return type of a constructor is A class object in which it is defined. void None of these There is no return type. A class object in which it is defined. void None of these There is no return type. ANSWER DOWNLOAD EXAMIANS APP
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