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Analyze the following code carefully. Please select the one that applies.public class Test {  public static void main(String[] args) {    A a = new A();    a.print();  }}class A {  String s;  A(String s) {    this.s = s;  }void print() {    System.out.println(s);  }}Group of answer choicesThe program would compile and run if you change A a = new A() to A a = new A(5).The program has a compile error because class A is not a public class.The program has a compile error because class A does not have a default constructor.The program compiles and runs fine and prints nothing.

Question

Analyze the following code carefully. Please select the one that applies.public class Test {  public static void main(String[] args) {    A a = new A();    a.print();  }}class A {  String s;  A(String s) {    this.s = s;  }void print() {    System.out.println(s);  }}Group of answer choicesThe program would compile and run if you change A a = new A() to A a = new A(5).The program has a compile error because class A is not a public class.The program has a compile error because class A does not have a default constructor.The program compiles and runs fine and prints nothing.

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Solution 1

The program has a compile error because class A does not have a default constructor.

In the given code, class A has a parameterized constructor A(String s). When a parameterized constructor is defined in a class, the compiler does not provide a default constructor. In the main method, an object of class A is being created using a default constructor A a = new A(). Since there is no default constructor in class A, this will result in a compile-time error.

To fix this error, you can either provide a default constructor in class A or create the object with the parameterized constructor like A a = new A("some string");

This problem has been solved

Solution 2

The program has a compile error because class A does not have a default constructor.

In the main method, an object of class A is being created using a default constructor (A a = new A();). However, in class A, there is no default constructor defined. There is only one parameterized constructor (A(String s)) available. So, when we try to create an object with the default constructor, it results in a compile-time error.

To fix this, we either need to provide a default constructor in class A or create the object of class A using the parameterized constructor like this: A a = new A("some string");

This problem has been solved

Similar Questions

Analyze the following code. Please select all that apply from the options below.  public class Test {   public static void main(String[] args) {     A a = new A();     a.print();   } }  class A {   String s;    A(String s) {     this.s = s;   }    void print() {     System.out.println(s);   } } Group of answer choicesThe program has a compile error because class A is not a public class.The program has a compile error because class A does not have a default constructor.The program compiles and runs fine and prints nothing.The program would compile and run if you change A a = new A() to A a = new A("5")

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