临时写的敏感度分析

public class Temp{

    public static void main(String[] args) {
String str = "考古现场发掘发现，唐代以上的深黑色淤泥文化层厚度约3.0米，" +
"距现地表约时代跨度为宋代至民国时期。淤泥里面遗存大量的水生动" +
"物，如河蚌、螺壳等，还出土了地表的灰陶瓦片和瓷片以及数件豆柄、豆盘" +
"等。此外，这一文化层中还发现灰坑、水沟、道路等遗迹，发现陶盆、“开元通宝”铜钱等。";

String[] key = {"地表","时代","民国"};
int size = 8;
boolean match = false;
match = matchKey(str, key, size);
System.out.println(match);

}
    private static boolean matchKey(String summary,String[] key,int size){
    boolean match = false;
    if(key==null || key.length ==0){
    return false;
    }

    for(int i=0;i<1;i++){
    if(summary.contains(key[0]) && key.length==1){
    match= true;
    return match;
    }
    if(summary.contains(key[i])){
    String[] tmpArray = copyOfRange(key, i+1,key.length-1);
    int index = summary.indexOf(key[i]);
    int nextIndex = index + key[i].length();
    int last = nextIndex + size;
    if(last>=summary.length()){
    last = summary.length();
    }
    String afterStr = summary.substring(nextIndex,last);
    System.out.println(afterStr);
    match = matchKey(afterStr, tmpArray, size);
    if(match){
    return match;
    }
    String remain = summary.substring(nextIndex, summary.length());
    System.out.println(remain);
    match = matchKey(remain, key, size);
    if(match){
    return match;
    }
        }
    }
    return match;
   
    }
    public static String[] copyOfRange(String[] original,int from,int to) {
    String[] temp = new String[to-from+1];
    int t=0;
    for(int i= from;i<=to;i++){
    String s = original[i];
    temp[t] = s;
    t++;
    }
    return temp;
    }


}