标题: 字符串查找 [打印本页] 作者: nishi5151 时间: 2014-12-12 22:20 标题: 字符串查找 public class StringExplorer {
/**
* 定位字符
*/
public void locateChar(String full, char c) {
System.out.print(c + "出现的位置是： ");
for (int i = 0; i < full.length(); i++) {
if (c == full.charAt(i)) {
System.out.print(i + "\t");
}
}
}
/**
* 定位字符串
*/
public void locateString(String full, String s) {
int index = 0;
int i = index;
int length = full.length();
System.out.print(s + "出现的位置是： ");
do {
index = full.indexOf(s, i);
if (index == -1) {
break;
}
System.out.print(index + " ");
i = index + s.length();
} while (i <= length);
}
public static void main(String[] args) {
StringExplorer se = new StringExplorer();
Scanner input = new Scanner(System.in);
System.out.println("请输入一段字符： ");
String full = input.next();
System.out.println("请输入要查询的字符串： ");
String s = input.next();
se.locateString(full, s);
}
}