What is the result of the expression "Hello".toUpperCase().toLowerCase() in Java?
A. "Hello"
B. "HELLO"
C. "hello"
D. "hElLo"
Answer: Option C
This Question Belongs to Java Program >> Strings
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In Java, which class is used to represent a sequence of characters as a string?
A. String
B. StringBuilder
C. StringSequence
D. StringArray
What is the correct way to create a new empty String object in Java?
A. String emptyString = "";
B. String emptyString = new String();
C. String emptyString = " ";
D. String emptyString = null;
E. Both A and B
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A. equals()
B. compareTo()
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