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. void examians(void) throws IOException{} void examians() {} throws IOException void examians() throws IOException{} examians() throws IOException{} void examians() throw IOException{} void examians(void) throws IOException{} void examians() {} throws IOException void examians() throws IOException{} examians() throws IOException{} void examians() throw IOException{} 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 2 1 None of these Compilation Error 3 2 1 None of these Compilation Error ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What will be the return type of a method that not returns any value? void None of these int double void None of these int double ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the output for the below code ?1. public class A{2. int add(int i, int j){3. return i+j;4. }5. }6. public class B extends A{7. public static void main(String argv[]){8. short s = 9;9. System.out.println(add(s,6));10. }11.} Compile fail due to error on line no 8 Compile fail due to error on line no 2 None of these Compile fail due to error on line no 9 15 Compile fail due to error on line no 8 Compile fail due to error on line no 2 None of these Compile fail due to error on line no 9 15 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 Wild Animal Animal Wild Compilation Error Runtime Exception Wild Animal Animal Wild 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 1, constructor Tester must be marked public like its class At line 2, constructor call At line 4 At line 3, compilation error, ambiguity problem, compiler can't determine whether a constructor At line 1, constructor Tester must be marked public like its class At line 2, constructor call At line 4 ANSWER DOWNLOAD EXAMIANS APP
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