JAVA Constructors and Methods public class Test { }What is the prototype of the default constructor? Test( ) Test(void) None of these public Test(void) public Test( ) Test( ) Test(void) None of these public Test(void) public Test( ) 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); }} Compilation clean but throws RuntimeException long None of these Compilation fails int Compilation clean but throws RuntimeException long None of these Compilation fails int ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Given the following piece of code:class Person{ public int number;}public class Test{ public void doIt(int i , Person p){ i = 5; p.number = 8; } public static void main(String args[]){ int x = 0; Person p = new Person(); new Test().doIt(x, p); System.out.println(x + " " + p.number); }}What is the result? 5 8 0 0 5 0 0 8 5 8 0 0 5 0 0 8 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 Compilation Fails None of these Prints 0 Prints 7 Prints 10 Compilation Fails None of these Prints 0 Prints 7 ANSWER DOWNLOAD EXAMIANS APP
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 None of these 2.0 0 Compile time error None of these 2.0 0 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 Compile fail due to error on line no 9 None of these 15 Compile fail due to error on line no 8 Compile fail due to error on line no 2 Compile fail due to error on line no 9 None of these 15 ANSWER DOWNLOAD EXAMIANS APP
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