View Compilation Error

0_0_13364390_17964\Main.java:2: 错误: 需要class, interface或enum
claas Main{
^
0_0_13364390_17964\Main.java:3: 错误: 需要class, interface或enum
public static void mian(String args[]){
              ^
0_0_13364390_17964\Main.java:5: 错误: 需要class, interface或enum
	while(sc.hasNext()){
	^
0_0_13364390_17964\Main.java:7: 错误: 需要class, interface或enum
	double y1=sc.nextDouble();
	^
0_0_13364390_17964\Main.java:8: 错误: 需要class, interface或enum
	double x2=sc.nextDouble();
	^
0_0_13364390_17964\Main.java:9: 错误: 需要class, interface或enum
	double y2=sc.nextDouble();
	^
0_0_13364390_17964\Main.java:10: 错误: 需要class, interface或enum
	double s=Math.sqrt((x2-x1)*(x2-x1)+(y2-y1)*(y2-y1));
	^
0_0_13364390_17964\Main.java:11: 错误: 需要class, interface或enum
	System.out.print("%.2f",s);
	^
0_0_13364390_17964\Main.java:12: 错误: 需要class, interface或enum
	System.out.println();	
	^
0_0_13364390_17964\Main.java:13: 错误: 需要class, interface或enum
		}
		^
10 个错误