删除字符串的某个字符-Java
@Test
public void test02() {
// 删除字符串的某个字符
String str = "Hello world";
String s = removeCharAt(str, 3);
System.out.println(s);
// 删除字符串的几个字符
String s1 = removeCharAt(str, 2, 4);
System.out.println(s1);
}
public static String removeCharAt(String str, int pos) {
return str.substring(0, pos) + str.substring(pos+1);
}
public static String removeCharAt(String str, int start, int end) {
return str.substring(0, start) + str.substring(end);
}
Helo world
Heo world