JAVA Constructors and Methods Which of the modifier can't be used for constructors? private public static protected private public static protected ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Determine output:public class Test{ public static void main(String args[]){ MyClass obj = new MyClass(); obj.val = 1; obj.call(obj); System.out.println(obj.val); }}class MyClass{ public int val; public void call(MyClass ref){ ref.val++; }} 3 Compilation Error 2 1 None of these 3 Compilation Error 2 1 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()); }} Prints 10 Prints 0 Compilation Fails None of these Prints 7 Prints 10 Prints 0 Compilation Fails None of these Prints 7 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 3, compilation error, ambiguity problem, compiler can't determine whether a constructor At line 2, constructor call At line 1, constructor Tester must be marked public like its class At line 4 At line 3, compilation error, ambiguity problem, compiler can't determine whether a constructor At line 2, constructor call At line 1, constructor Tester must be marked public like its class At line 4 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 succeed but no output. Compilation fails due to an error on line 2 One Compilation fails due to an error on line 1 Compilation succeed but no output. Compilation fails due to an error on line 2 One Compilation fails due to an error on line 1 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();}} Compilation Error Runtime Exception Animal Wild Wild Animal Compilation Error Runtime Exception Animal Wild Wild Animal ANSWER DOWNLOAD EXAMIANS APP
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