Question

此C ++代码段的Java等价物是什么：

string str ;
while(cin>>str){
   //code
}

Answer 1

像这样的东西

String str ; 
while((str = System.in.readLine()) != null){
   //code
}

Answer 2

Scanner scanner = new Scanner(System.in);
String sentence = scanner.nextLine();

Answer 3

Scanner scanner = new Scanner(System.in);
boolean flag = true;
while(flag)
{
   String str = scanner.nextLine();

   // Add any condition to set flag = false to exit from while loop
}

Answer 4

您可以使用GUI样式执行此操作。

import javax.swing.JOptionPane;
String Input=JOptionPane.showInputDialog("Title","Message");

从用户控制台获取输入 - Java代码

4 个答案: