Java中的特殊字符

1 String aa = "||";
2 System.out.println("aa = " + aa);
3 String string = "\"main\" prio=5 tid=1 SUSPENDED"+ aa + "|group=\"main\" sCount=1 dsCount=0 obj=0x4174be58 self=0x4166b910"+ aa + " |fsjdkfkjslkljkfds";
4 
5 String[] arr = string.split("\\|\\|");
6 for(int i = 0; i < arr.length; i++) {
7 System.out.println("arr["+i+"] = " + arr[i]);
8 }