JAVA Constructors and Methods In which area of memory, the system stores parameters and local variables whenever a method is invoked? Heap Stack Array Storage Area Heap Stack Array Storage Area 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 A(String s); A a = new B(); All of these A a = new B(5); None of these A a = new A(String s); A a = new B(); All of these A a = new B(5); None of these 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(); }} Compilation Error two one one one one two None of these one Exception Compilation Error two one one one one two None of these one Exception ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The following code contains one compilation error, find it?public class Test {Test() { } // line 1static void Test() { this(); } // line 2 public static void main(String[] args) { // line 3Test(); // line 4}} At line 1, constructor Tester must be marked public like its class At line 2, constructor call At line 3, compilation error, ambiguity problem, compiler can't determine whether a constructor At line 4 At line 1, constructor Tester must be marked public like its class At line 2, constructor call At line 3, compilation error, ambiguity problem, compiler can't determine whether a constructor At line 4 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Which of the modifier can't be used for constructors? static public private protected static public private protected 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 One Compilation succeed but no output. Compilation fails due to an error on line 2 Compilation fails due to an error on line 1 One Compilation succeed but no output. Compilation fails due to an error on line 2 ANSWER DOWNLOAD EXAMIANS APP