JAVA Constructors and Methods The variables declared in a class for the use of all methods of the class are called reference variables None of these objects instance variables reference variables None of these objects instance variables ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Which of the following options is the best for generating random integer 0 or 1? (int)(Math.random() + 0.5) (int)Math.random() (int)(Math.random() + 0.2) (int)Math.random() + 1 (int)(Math.random() + 0.5) (int)Math.random() (int)(Math.random() + 0.2) (int)Math.random() + 1 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods public class Test { }What is the prototype of the default constructor? Test(void) None of these Test( ) public Test(void) public Test( ) Test(void) None of these Test( ) public Test(void) public Test( ) 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.} 15 Compile fail due to error on line no 2 Compile fail due to error on line no 8 Compile fail due to error on line no 9 None of these 15 Compile fail due to error on line no 2 Compile fail due to error on line no 8 Compile fail due to error on line no 9 None of these 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(); }} None of these two one one Compilation Error one Exception one one two None of these two one one Compilation Error one Exception one one two 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 Prints 7 None of these Prints 0 Prints 10 Compilation Fails Prints 7 None of these Prints 0 Prints 10 ANSWER DOWNLOAD EXAMIANS APP
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