0_0_38407283_5970\Main.java:1: 错误: 需要class, interface或enum
public static void main(String[] args) {
^
0_0_38407283_5970\Main.java:3: 错误: 需要class, interface或enum
while(sc.hasNext()) {
^
0_0_38407283_5970\Main.java:5: 错误: 需要class, interface或enum
double x1=sc.nextDouble();
^
0_0_38407283_5970\Main.java:6: 错误: 需要class, interface或enum
double x2=sc.nextDouble();
^
0_0_38407283_5970\Main.java:7: 错误: 需要class, interface或enum
double y1=sc.nextDouble();
^
0_0_38407283_5970\Main.java:8: 错误: 需要class, interface或enum
double y2=sc.nextDouble();
^
0_0_38407283_5970\Main.java:9: 错误: 需要class, interface或enum
double num =(x1-x2)*(x1-x2)+(y1-y2)*(y1-y2);
^
0_0_38407283_5970\Main.java:10: 错误: 需要class, interface或enum
dis=Math.sqrt(num);
^
0_0_38407283_5970\Main.java:12: 错误: 需要class, interface或enum
System.out.printf("%.2f",dis);
^
0_0_38407283_5970\Main.java:13: 错误: 需要class, interface或enum
System.out.println();
^
0_0_38407283_5970\Main.java:14: 错误: 需要class, interface或enum
}
^
11 个错误
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