109.String formatting (Document)

How can you format strings in Java?

• Using concatenation
• Using printf()
• Using split()
• Using toString()

What is the purpose of %s and %d in Java string formatting?

• Decimal and string formatting
• String and decimal formatting
• Double and string formatting
• String and date formatting

How does the String.format() method work in Java for string formatting?

• Modifies original string
• Returns a new formatted string
• Converts string to uppercase
• Removes whitespace from a string

What does %9s mean in Java string formatting?

• Left-align string
• Right-align string
• Center-align string
• Limit string length to 9 characters

How can you format a string to display two decimal places in Java?

• %2f
• %2d
• %.2f
• %.2d

Explain the significance of \\s+ and \\s in Java.

• Matches whitespace characters
• Matches numeric characters
• Matches special characters
• Matches alphabetic characters

What does the asterisk '*' mean in Java string formatting?

• Left-align
• Right-align
• Center-align
• Replace with asterisk

How is %<s used in Java string formatting?

• Replaces with the same string
• Reuses previous argument
• Replaces with next argument
• Replaces with current argument

What is the role of the split("\\s") method in Java?

• Removes spaces from strings
• Splits a string into an array
• Merges multiple strings
• Finds whitespace in a string

What is the meaning of the three dots (...) in Java?

• Represents an ellipse
• Indicates incomplete code
• Denotes variable arguments
• Denotes a comment