java基础

String strl = "12ssweeks324failed";
        int endindex1 = strl.indexOf("weeks");
        System.out.println(strl.substring(0, endindex1));
        if (endindex1 != -1) {
            System.out.println("==1");
        } else {
            System.out.println("==2");
        }
        int startindex = endindex1 + 5;
        endindex1 = strl.indexOf("failed");
        System.out.println(strl.substring(startindex, endindex1));