JAVA Constructors and Methods Which of the modifier can't be used for constructors? protected static private public protected static private public 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 8 15 None of these Compile fail due to error on line no 2 Compile fail due to error on line no 9 Compile fail due to error on line no 8 15 None of these Compile fail due to error on line no 2 Compile fail due to error on line no 9 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 2 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 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 B(5); All of these A a = new B(); A a = new A(String s); None of these A a = new B(5); All of these A a = new B(); A a = new A(String s); ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The variables declared in a class for the use of all methods of the class are called reference variables objects instance variables None of these reference variables objects instance variables None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The following code contains one compilation error, find it?public class Test {Test() { } // line 1static void Test() { this(); } // line 2 public static void main(String[] args) { // line 3Test(); // line 4}} At line 4 At line 1, constructor Tester must be marked public like its class At line 2, constructor call At line 3, compilation error, ambiguity problem, compiler can't determine whether a constructor At line 4 At line 1, constructor Tester must be marked public like its class At line 2, constructor call At line 3, compilation error, ambiguity problem, compiler can't determine whether a constructor ANSWER DOWNLOAD EXAMIANS APP
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