0_0_16643825_9427\Main.java:2: 错误: 需要class, interface或enum
>public static void main(String args[]){
^
0_0_16643825_9427\Main.java:2: 错误: 需要class, interface或enum
>public static void main(String args[]){
^
0_0_16643825_9427\Main.java:4: 错误: 需要class, interface或enum
while(sc.hasNext()){
^
0_0_16643825_9427\Main.java:6: 错误: 需要class, interface或enum
double y1 = sc.nextDouble();
^
0_0_16643825_9427\Main.java:7: 错误: 需要class, interface或enum
double x2 = sc.nextDouble();
^
0_0_16643825_9427\Main.java:8: 错误: 需要class, interface或enum
double y2 = sc.nextDouble();
^
0_0_16643825_9427\Main.java:9: 错误: 需要class, interface或enum
double s =(x1-x2)*(x1-x2)+(y1-y2)*(y1-y2);
^
0_0_16643825_9427\Main.java:10: 错误: 需要class, interface或enum
s=Math.sqrt(s);
^
0_0_16643825_9427\Main.java:11: 错误: 需要class, interface或enum
System.out.printf("%.2f",s);
^
0_0_16643825_9427\Main.java:12: 错误: 需要class, interface或enum
System.out.println();
^
0_0_16643825_9427\Main.java:13: 错误: 需要class, interface或enum
}
^
11 个错误
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