Chapter 2: Problem 27
Write a statement that declares a String variable named city. The variable should be initialized so it references an object with the string "San Francisco":
Chapter 2: Problem 27
Write a statement that declares a String variable named city. The variable should be initialized so it references an object with the string "San Francisco":
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Get started for freeWrite code that displays an input dialog asking the user to enter his or her age. Convert the input value to an int and store it in an int variable named age.
What is the purpose of the following types of dialog boxes? Message dialog Input dialog
Write statements using combined assignment operators to perform the following: a) Add 6 to \(x\) b) Subtract 4 from amount c) Multiply y by 4 d) Divide total by 27 e) Store in \(x\) the remainder of \(x\) divided by 7
On paper, write a program that will display your name on the screen. Place a comment with today’s date at the top of the program. Test your program by entering, compiling, and running it.
Refer to the Java primitive data types listed in Table 2-5 for this question. a) If a variable needs to hold whole numbers in the range 32 to 6,000, what primitive data type would be best? b) If a variable needs to hold whole numbers in the range –40,000 to +40,000, what primitive data type would be best? c) Which of the following literals use more memory? 22.1 or 22.1F?
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