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 ? All of these A a = new B(); A a = new A(String s); A a = new B(5); None of these All of these A a = new B(); A a = new A(String s); A a = new B(5); None of these 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}} 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 Compilation fails due to an error on line 1 Compilation fails due to an error on line 2 Compilation succeed but no output. ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the expected output?public class Profile {private Profile(int w) { // line 1System.out.print(w);}public final Profile() { // line 5System.out.print(10);}public static void main(String args[]) {Profile obj = new Profile(50);}} 10 50 Won't compile because of line (5); constructor can't be final 50 Won't compile because of line (1); constructor can't be private 10 50 Won't compile because of line (5); constructor can't be final 50 Won't compile because of line (1); constructor can't be private ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the output for the below code?public class Test{ public static void printValue(int i, int j, int k){ System.out.println("int"); } public static void printValue(byte...b){ System.out.println("long"); } public static void main(String... args){ byte b = 9; printValue(b,b,b); }} None of these Compilation clean but throws RuntimeException long Compilation fails int None of these Compilation clean but throws RuntimeException long Compilation fails int 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 None of these 15 Compile fail due to error on line no 9 Compile fail due to error on line no 2 Compile fail due to error on line no 8 None of these 15 Compile fail due to error on line no 9 Compile fail due to error on line no 2 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. void examians() throw IOException{} void examians(void) throws IOException{} void examians() throws IOException{} examians() throws IOException{} void examians() {} throws IOException void examians() throw IOException{} void examians(void) throws IOException{} void examians() throws IOException{} examians() throws IOException{} void examians() {} throws IOException ANSWER DOWNLOAD EXAMIANS APP
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