java 之死循环



    public class StringTest {

    public static void main(String[]  args) {

        System.out.println(getStringCount("hellojava,nijavahaojava,javazhenbang", "java"));

    }

    public static int getStringCount(String str,  String key){

        int count = 0;

        int index = 0;

        while ( (index = str.indexOf(key) ) != -1) {

            count++;

            System.out.println(str);

            // 更新目标串

            str = str.substring(index + key.length());

            System.out.println(str);

        }

        return  count;

    }

}

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java 之死循环

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