[英]Java while loop not breaking after "break" statement
import java.util.Scanner;
public class LoopsEndingRemembering {
public static void main(String[] args) {
// program in this project exercises 36.1-36.5
// actually this is just one program that is split in many parts
Scanner reader = new Scanner(System.in);
System.out.println("Type numbers: ");
int input = Integer.parseInt(reader.nextLine());
while(true){
if(input == -1){
break;
}
}
System.out.println("Thank you and see you later!");
}
}
The user should be able to put in multiple numbers until -1 is reached.用户应该能够输入多个数字,直到达到 -1。 Once its reached it should break the loop and print the last line.
一旦到达它应该打破循环并打印最后一行。
You need to put你需要把
System.out.println("Type numbers: ");
int input = Integer.parseInt(reader.nextLine());
into your loop, else it will never get new user input进入你的循环,否则它永远不会得到新的用户输入
You need call scanner inside loop您需要在循环内调用扫描仪
import java.util.Scanner;
public class LoopsEndingRemembering {
public static void main(String[] args) {
while(true){
Scanner reader = new Scanner(System.in);
System.out.println("Type numbers: ");
int input = Integer.parseInt(reader.nextLine());
if(input == -1){
break;
}
}
System.out.println("Thank you and see you later!");
}
}
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