JAVA Constructors and Methods Which of the following options is the best for generating random integer 0 or 1? (int)(Math.random() + 0.2) (int)(Math.random() + 0.5) (int)Math.random() (int)Math.random() + 1 (int)(Math.random() + 0.2) (int)(Math.random() + 0.5) (int)Math.random() (int)Math.random() + 1 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()); }} None of these Prints 10 Compilation Fails Prints 7 Prints 0 None of these Prints 10 Compilation Fails Prints 7 Prints 0 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++; }} 1 None of these 2 Compilation Error 3 1 None of these 2 Compilation Error 3 ANSWER DOWNLOAD EXAMIANS APP
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 ? None of these A a = new A(String s); All of these A a = new B(5); A a = new B(); None of these A a = new A(String s); All of these A a = new B(5); A a = new B(); 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 fails Compilation clean but throws RuntimeException None of these long int Compilation fails Compilation clean but throws RuntimeException None of these long int ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the output for the below code ?class A{ public A(){ System.out.println("A"); } public A(int i){ this(); System.out.println(i); }}class B extends A{ public B(){ System.out.println("B"); } public B(int i){ this(); System.out.println(i+3); }}public class Test{ public static void main (String[] args){ new B(5); }} None of these A B 5 A 5 B 8 B 8 A 5 A B 8 None of these A B 5 A 5 B 8 B 8 A 5 A B 8 ANSWER DOWNLOAD EXAMIANS APP
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