Which of the following would output this to the screen?1. Some Output.2. Additional Output.int lineNumber = 1;String lineOne = "\n" + lineNumber + ". Some Output.";lineNumber++;String lineTwo = lineNumber++ + ". Additional Output.";System.out.println(lineOne + lineTwo);int lineNumber = 1;String lineOne = lineNumber + ". Some Output.\n";lineNumber++;String lineTwo = lineNumber + ". Additional Output.";System.out.println(lineOne + lineTwo);int lineNumber = 1;String lineOne = lineNumber + ". Some Output.";lineNumber++;String lineTwo = lineNumber + ". Additional Output.\n";System.out.println(lineOne + lineTwo);int lineNumber = 1;String lineOne = lineNumber + ". Some Output.";lineNumber++;String lineTwo = lineNumber + ". Additional Output.";System.out.println(lineOne + lineTwo);
Question
Which of the following would output this to the screen?1. Some Output.2. Additional Output.int lineNumber = 1;String lineOne = "\n" + lineNumber + ". Some Output.";lineNumber++;String lineTwo = lineNumber++ + ". Additional Output.";System.out.println(lineOne + lineTwo);int lineNumber = 1;String lineOne = lineNumber + ". Some Output.\n";lineNumber++;String lineTwo = lineNumber + ". Additional Output.";System.out.println(lineOne + lineTwo);int lineNumber = 1;String lineOne = lineNumber + ". Some Output.";lineNumber++;String lineTwo = lineNumber + ". Additional Output.\n";System.out.println(lineOne + lineTwo);int lineNumber = 1;String lineOne = lineNumber + ". Some Output.";lineNumber++;String lineTwo = lineNumber + ". Additional Output.";System.out.println(lineOne + lineTwo);
Solution
The second code snippet would output the desired text to the screen. Here's the step-by-step explanation:
- The variable
lineNumberis initialized with the value 1. - The variable
lineOneis assigned the value oflineNumber(which is 1) concatenated with ". Some Output.\n". The "\n" is a newline character, which means the cursor will move to the start of the next line after printing this. - The
lineNumberis then incremented by 1, so its value is now 2. - The variable
lineTwois assigned the value oflineNumber(which is now 2) concatenated with ". Additional Output.". - Finally,
System.out.println(lineOne + lineTwo);prints the values oflineOneandlineTwoto the screen, which would be:
1. Some Output.
2. Additional Output.
The other code snippets would not output the desired text because they either have the newline character ("\n") in the wrong place or they increment lineNumber at the wrong time.
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