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);
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.
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