Java字符串：句子中的字符替换

Question

“这是保险和保险机构。” 如何用这句话用JSS替换学院的前三个字符？ 需要显示如下：“这是保险和保险的JS.Sritute。”

Answer 1

使用字符串替换功能

 String sentence = "This is institute of insurance and insu.";
 sentence = sentence.replace("institute", "JSStitute");

Answer 2

String s = "This is institute of insurance and insu.".replaceFirst("ins", "JSS");