public class Split {

public static void main(String[] args){

String ip = "192.168.0.1";

String[] array1 = ip.split("\\.");

String[] array2 = ip.split("\\.",2);

for(String tmp:array1){

System.out.print("["+tmp+"]");

}

System.out.println();

for(String tmp:array2){

System.out.print("["+tmp+"]");

}

}

}

提示的错误信息为：

Exception in thread "main" java.lang.Error: Unresolved compilation problems: 

Syntax error, 'for each' statements are only available if source level is 1.5 or greater

Syntax error, 'for each' statements are only available if source level is 1.5 or greater

at Split.main(Split.java:6)