0_0_26855325_23805\Main.java:1: 错误: 需要class, interface或enum
public static void main(String [] args) {
^
0_0_26855325_23805\Main.java:3: 错误: 需要class, interface或enum
double x1,x2,y1,y2,a,b,c;
^
0_0_26855325_23805\Main.java:6: 错误: 需要class, interface或enum
while (input.hasNext()) {
^
0_0_26855325_23805\Main.java:8: 错误: 需要class, interface或enum
y1=input.nextDouble();
^
0_0_26855325_23805\Main.java:9: 错误: 需要class, interface或enum
x2=input.nextDouble();
^
0_0_26855325_23805\Main.java:10: 错误: 需要class, interface或enum
y2=input.nextDouble();
^
0_0_26855325_23805\Main.java:11: 错误: 需要class, interface或enum
a=x1-x2;
^
0_0_26855325_23805\Main.java:12: 错误: 需要class, interface或enum
b=y1-y2;
^
0_0_26855325_23805\Main.java:13: 错误: 需要class, interface或enum
c=a*a+b*b;
^
0_0_26855325_23805\Main.java:14: 错误: 需要class, interface或enum
double d=Math.sqrt(c);
^
0_0_26855325_23805\Main.java:15: 错误: 需要class, interface或enum
String s=String.format("%.2f", d);
^
0_0_26855325_23805\Main.java:16: 错误: 需要class, interface或enum
System.out.println(s);
^
0_0_26855325_23805\Main.java:17: 错误: 需要class, interface或enum
}
^
13 个错误
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