JAVA Constructors and Methods The variables declared in a class for the use of all methods of the class are called reference variables instance variables None of these objects reference variables instance variables None of these objects 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 9 None of these Compile fail due to error on line no 2 15 Compile fail due to error on line no 8 Compile fail due to error on line no 9 None of these Compile fail due to error on line no 2 15 Compile fail due to error on line no 8 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the output of the program?class Test{ public int display(int x, int y){ return ("The sum of x and y is " + x + y); } public static void main(String args[]){ Test test = new Test(); System.out.println(test.display(4,5)); } } None of these The sum of x and y is 9 The sum of x and y is 45 does not compile None of these The sum of x and y is 9 The sum of x and y is 45 does not compile 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 0 None of these Compilation Fails Prints 10 Prints 7 Prints 0 None of these Compilation Fails Prints 10 Prints 7 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 ? All of these A a = new B(5); None of these A a = new B(); A a = new A(String s); All of these A a = new B(5); None of these A a = new B(); A a = new A(String s); ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Determine Output:class A{public static void method(int i){System.out.print("Method 1");}public static int method(String str){System.out.print("Method 2");return 0;}}public class Test{ public static void main(String args[]){A.method(5);}} Method 1 None of these Compile time error as final method can't be overloaded Method 2 Method 1 None of these Compile time error as final method can't be overloaded Method 2 ANSWER DOWNLOAD EXAMIANS APP
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