Java经典习题40

/*
题目：字符串排序。
*/
public class Class40 {

public static void main(String[] args) {
int N = 5;
String temp = null;
String[] s = new String[N];
s[0] = "matter";
s[1] = "state";
s[2] = "solid";
s[3] = "liquid";
s[4] = "gas";
for(int i = 0; i < N; i++){
for(int j = i + 1; j < N; j++){
if(compare(s[i],s[j]) == false){
temp = s[i];
s[i] = s[j];
s[j] = temp;
}
}
}
for(int i = 0; i < N; i++){
System.out.println(s[i]);
}

}
static boolean compare(String s1, String s2){
boolean result = true;
for(int i = 0; i < s1.length() && i < s2.length(); i++){
if(s1.charAt(i) > s2.charAt(i)){
result = false;
break;
}else if(s1.charAt(i) < s2.charAt(i)){
result = true;
break;
}else{
result = false;
}
}
return result;
}

}