0_0_22831493_6149\Main.java:1: 错误: 需要class, interface或enum
public static void main(String[] args) {
^
0_0_22831493_6149\Main.java:4: 错误: 需要class, interface或enum
double x1,y1,x2,y2;
^
0_0_22831493_6149\Main.java:5: 错误: 需要class, interface或enum
while(sc.hasNext()){
^
0_0_22831493_6149\Main.java:7: 错误: 需要class, interface或enum
y1 = sc.nextDouble();
^
0_0_22831493_6149\Main.java:8: 错误: 需要class, interface或enum
x2 = sc.nextDouble();
^
0_0_22831493_6149\Main.java:9: 错误: 需要class, interface或enum
y2 = sc.nextDouble();
^
0_0_22831493_6149\Main.java:11: 错误: 需要class, interface或enum
double e = (x1-x2)*(x1-x2) + (y1-y2)*(y1-y2);
^
0_0_22831493_6149\Main.java:12: 错误: 需要class, interface或enum
double dist = Math.sqrt(e);
^
0_0_22831493_6149\Main.java:13: 错误: 需要class, interface或enum
System.out.printf("%.2f",dist);
^
0_0_22831493_6149\Main.java:14: 错误: 需要class, interface或enum
System.out.println();
^
0_0_22831493_6149\Main.java:15: 错误: 需要class, interface或enum
}
^
11 个错误
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