private static void test(){
String[] arr = new String[] { "Visual", "BASIC", "Java", "FoxPro" };
print(arr);
compare(arr, 0);//0升序 1降序
print(arr);
compare(arr, 1);//0升序 1降序
print(arr);
}
private static void print(String[] arr) {
for(String item : arr){
System.out.print(item + "\t");
}
System.out.println();
}
public static String[] compare(String[] arr, int sort) {
for (int i = 0; i < arr.length - 1; i++) {
for (int j = i + 1; j < arr.length; j++) {
if(sort == 0){
if (arr[i].compareTo(arr[j]) >= 0) {
String temp = arr[j];
arr[j] = arr[i];
arr[i] = temp;
}
}else{
if (arr[i].compareTo(arr[j]) <= 0) {
String temp = arr[j];
arr[j] = arr[i];
arr[i] = temp;
}
}
}
}
return arr;
}
原始:Visual BASIC Java FoxPro
升序:BASIC FoxPro Java Visual
降序:Visual Java FoxPro BASIC
最小的是: BASIC
BASIC,字符串比较按照首字母顺序比较