JAVA Constructors and Methods public class Test { }What is the prototype of the default constructor? public Test(void) None of these Test(void) public Test( ) Test( ) public Test(void) None of these Test(void) public Test( ) Test( ) 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 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 At line 2, constructor call At line 4 At line 1, constructor Tester must be marked public like its class ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods public class MyClass{ }For the above class(MyClass) what is the correct way of declaring constructor? MyClass(void) {} MyClass(){} public MyClass(){} 1 and 3 public MyClass(void){} MyClass(void) {} MyClass(){} public MyClass(){} 1 and 3 public MyClass(void){} ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods class MyClass{int i;int j;public MyClass(int i, int j){this.i = i;this.j = j;}public void call(){System.out.print("One");}}public class Test{public static void main(String args[]){MyClass m = new MyClass(); //line 1m.call(); //line 2}} Compilation succeed but no output. Compilation fails due to an error on line 2 Compilation fails due to an error on line 1 One Compilation succeed but no output. Compilation fails due to an error on line 2 Compilation fails due to an error on line 1 One 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. examians() throws IOException{} void examians() {} throws IOException void examians() throw IOException{} void examians(void) throws IOException{} void examians() throws IOException{} examians() throws IOException{} void examians() {} throws IOException void examians() throw IOException{} void examians(void) throws IOException{} void examians() throws IOException{} 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 Method 2 Compile time error as final method can't be overloaded None of these Method 1 Method 2 Compile time error as final method can't be overloaded None of these ANSWER DOWNLOAD EXAMIANS APP
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