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(); A a = new B(5); A a = new A(String s); None of these All of these A a = new B(); A a = new B(5); A a = new A(String s); None of these All of these 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 ) ; } } None of these Compile time error 0 2.0 None of these Compile time error 0 2.0 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The finalize() method is called just prior to An object, variable or method goes out of scope. An object or variable goes out of scope. A variable goes out of scope. None of these Before garbage collection. An object, variable or method goes out of scope. An object or variable goes out of scope. A variable goes out of scope. None of these Before garbage collection. ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The main method should be static for the reason It can be executed without creating any instance of the class. It can be accessed by every method or variable without any hindrance. It can be accessed easily by the class loader. None of these It can be executed without creating any instance of the class. It can be accessed by every method or variable without any hindrance. It can be accessed easily by the class loader. None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the expected output?class Animal {Animal() {System.out.println("Animal");}}class Wild extends Animal{Wild() {System.out.println("Wild");super();}}public class Test {public static void main(String args[]) {Wild wild = new Wild();}} Wild Animal Compilation Error Animal Wild Runtime Exception Wild Animal Compilation Error Animal Wild Runtime Exception ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods class MyClass{int i;int j;public MyClass(int i, int j){this.i = i;this.j = j;}public void call(){System.out.print("One");}}public class Test{public static void main(String args[]){MyClass m = new MyClass(); //line 1m.call(); //line 2}} Compilation fails due to an error on line 1 Compilation fails due to an error on line 2 Compilation succeed but no output. One Compilation fails due to an error on line 1 Compilation fails due to an error on line 2 Compilation succeed but no output. One ANSWER DOWNLOAD EXAMIANS APP
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