JAVA Constructors and Methods The variables declared in a class for the use of all methods of the class are called objects None of these reference variables instance variables objects None of these reference variables instance variables ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods public class Test { }What is the prototype of the default constructor? None of these public Test( ) Test( ) public Test(void) Test(void) None of these public Test( ) Test( ) public Test(void) Test(void) ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Which of these is a legal definition of a method named examveda assuming it throws IOException, and returns void. Also assume that the method does not take any arguments. Select the one correct answer. void examians() throw IOException{} examians() throws IOException{} void examians() {} throws IOException void examians(void) throws IOException{} void examians() throws IOException{} void examians() throw IOException{} examians() throws IOException{} void examians() {} throws IOException void examians(void) throws IOException{} void examians() throws IOException{} 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 2, constructor call At line 4 At line 1, constructor Tester must be marked public like its class At line 3, compilation error, ambiguity problem, compiler can't determine whether a constructor At line 2, constructor call At line 4 At line 1, constructor Tester must be marked public like its class At line 3, compilation error, ambiguity problem, compiler can't determine whether a constructor 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 8 None of these Compile fail due to error on line no 9 Compile fail due to error on line no 2 15 Compile fail due to error on line no 8 None of these Compile fail due to error on line no 9 Compile fail due to error on line no 2 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);}} None of these Compile time error as final method can't be overloaded Method 1 Method 2 None of these Compile time error as final method can't be overloaded Method 1 Method 2 ANSWER DOWNLOAD EXAMIANS APP
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