How can you use String methods to change the case of a string? Provide an example.
What will be an ideal response?
?The methods toUpperCase() and toLowerCase() convert any String to its uppercase or lowercase equivalent. For example, if you declare a String as String aWord = "something";, then the string "something" is created in memory and its address is assigned to aWord. The statement aWord = aWord.toUpperCase(); creates "SOMETHING" in memory and assigns its address to aWord. Because aWord now refers to "SOMETHING," aWord = aWord.toLowerCase(); alters aWord to refer to "something".
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