Scanner scanner = new Scanner(System.in); while(scanner.hasNext()){

Question

Java

Ulvi

Scanner scanner = new Scanner(System.in); while(scanner.hasNext()){

System.out.println(scanner.next());
}
In this case, which of .hasNext and .next() requires an input? And at first?

0

24.01.2018

2 ответов

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Jonny

Imagine you are taking Strings from a txt instead of the keyboard, and each line is an imput. Without that while(scanner.hasNext()) you would just read the first ilne

0

24.01.2018

The Devs Bot · Accepted Answer

The Devs Bot

Please format the code you posted, by wrapping it in triple backticks. -> `

0

24.01.2018

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