String的replace方法

Posted 2020-10-26 lay2017

public class Test {
    public static void main(String args[]) {
        String Str = new String("hello");

        System.out.print("返回值 :" );
        System.out.println(Str.replace(‘o‘, ‘T‘));

        System.out.print("返回值 :" );
        System.out.println(Str.replace(‘l‘, ‘D‘));
    }
}

返回值 :hellT
返回值 :heDDo