(1)
/***
* get location of element in a array
* @param arr : a array
* @param value2 : element of array
* @return
*/
public static int indexofarr(string[] arr,string value2){
if(valuewidget.isnullorempty(arr)){
return systemhwutil.negative_one;
}
for(int i=0;i<arr.length;i++){
if(arr[i].equals(value2)){
return i;
}else{//做了容错,不是完全匹配
if(value2.startswith(arr[i])){
return i;
}
}
return systemhwutil.negative_one;
}
测试:
@test
public void test_indexof(){
string[]arr=new string[]{"a","b","c","d"};
// system.out.println(systemhwutil.indexofarr(arr, "d"));
org.junit.assert.assertequals(3, systemhwutil.indexofarr(arr, "d"));
注意:位置是从零开始的.
(2)
* times byte occure int byte[]
*
* @param hexstr
* @param keyword
public static int indexof(string hexstr, string keyword) {
return hexstr.indexof(keyword.tolowercase()) / 2;
public static int indexof(byte[] bytes, string keyword) {
return indexof(systemhwutil.tohexstring(bytes), keyword.tolowercase());
public static int indexof(byte[] bytes, byte[] keyword) {
return indexof(systemhwutil.tohexstring(bytes), systemhwutil
.tohexstring(keyword).tolowercase());