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Which of the following is NOT a valid way to declare and initialize a string variable in Java?Question 5Answera.String str = "Hello";b.String str = new String("Hello");c.String str = 'Hello';d.char[ ] charArray = {'H', 'e', 'l', 'l', 'o'};String str = new String(charArray);

Question

Which of the following is NOT a valid way to declare and initialize a string variable in Java?Question 5Answera.String str = "Hello";b.String str = new String("Hello");c.String str = 'Hello';d.char[ ] charArray = {'H', 'e', 'l', 'l', 'o'};String str = new String(charArray);

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Solution

The invalid way to declare and initialize a string variable in Java from the given options is:

c. String str = 'Hello';

In Java, single quotes are used for character literals, not for strings. Therefore, trying to declare a string with single quotes will result in a compile-time error. Strings in Java should be declared with double quotes.

Similar Questions

Which of the following is NOT a valid way to declare a String variable?Question 17Answera.String name = "John";b.String name = new String("John");c.String name;d.String name = 'John';

The following declaration and initialization of a String uses the syntax for a primitive data type:String name = "Bob";Which of the following is the equivalent syntax for initializing an object? A. String name = String("Bob"); B. string name = New string("Bob"); C. String name = Bob; D. String name = new String("Bob");

Which of the following statements about initializing strings is correct?

How do you correctly initialize a string to store "C programming"?Marks : 1Negative Marks : 0Answer herechar str[13] = "C programming";char str[] = {"C programming"};char str[] = "C programming";Both char str[] = {"C programming"}; and char str[] = "C programming"; are correctClear

Which of the following statements about initializing strings is correct?Marks : 1Negative Marks : 0Answer hereStrings cannot be initialized at the time of declarationStrings can be initialized using double quotesStrings must always be initialized with a sizeStrings are automatically initialized to the null character

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