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 All of these A a = new A(String s); A a = new B(5); A a = new B(); None of these All of these A a = new A(String s); A a = new B(5); A a = new B(); 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 Compilation Error 2 3 1 None of these Compilation Error 2 3 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods In which area of memory, the system stores parameters and local variables whenever a method is invoked? Array Heap Stack Storage Area Array Heap Stack Storage Area ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Which of the modifier can't be used for constructors? static public private protected static public private protected 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); }} long Compilation fails Compilation clean but throws RuntimeException None of these int long Compilation fails Compilation clean but throws RuntimeException None of these int ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Determine output of the following program.public class Test{ public static void main(String args[]){ System.out.println( Math.floor( Math.random( ) ) ) ; }} 1.0 0.0 0.5 10.0 1.0 0.0 0.5 10.0 ANSWER DOWNLOAD EXAMIANS APP
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