JAVA Constructors and Methods public class Test { }What is the prototype of the default constructor? public Test( ) None of these Test(void) public Test(void) Test( ) public Test( ) None of these Test(void) public Test(void) Test( ) 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() + 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() 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 ? A a = new B(); A a = new B(5); A a = new A(String s); All of these None of these A a = new B(); A a = new B(5); A a = new A(String s); All of these None of these 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); }} int Compilation fails Compilation clean but throws RuntimeException None of these long int Compilation fails Compilation clean but throws RuntimeException None of these long ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Which of the modifier can't be used for constructors? static public protected private static public protected private 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 2 None of these Compile fail due to error on line no 9 15 Compile fail due to error on line no 8 Compile fail due to error on line no 2 None of these Compile fail due to error on line no 9 15 Compile fail due to error on line no 8 ANSWER DOWNLOAD EXAMIANS APP
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