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 ) ; } } Compile time error 0 None of these 2.0 Compile time error 0 None of these 2.0 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()); }} Compilation Fails None of these Prints 10 Prints 0 Prints 7 Compilation Fails None of these Prints 10 Prints 0 Prints 7 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 2 Compilation fails due to an error on line 1 Compilation succeed but no output. One Compilation fails due to an error on line 2 Compilation fails due to an error on line 1 Compilation succeed but no output. One 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(); }} two one one one one two None of these one Exception Compilation Error two one one one one two None of these one Exception Compilation Error 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 fails long Compilation clean but throws RuntimeException int None of these Compilation fails long Compilation clean but throws RuntimeException int ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The main method should be static for the reason It can be accessed by every method or variable without any hindrance. None of these It can be executed without creating any instance of the class. It can be accessed easily by the class loader. It can be accessed by every method or variable without any hindrance. None of these It can be executed without creating any instance of the class. It can be accessed easily by the class loader. ANSWER DOWNLOAD EXAMIANS APP
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