Delete string from position m to n

Delete string from position m to n

Example:

Input:  str="Hello World"
Output: Hlo World

Approach

Java


public class StrDeleteMTON {
    public static void main(String[] args) {
        String str = "Hello World";
        String newstr = str.substring(01) + str.substring(1 + 2);
        System.out.println(newstr);
    }
}

Approach: using string buffer

Java


public class StrDeleteMTON {
    public static void main(String[] args) {
        String str = "Hello World";
        StringBuffer sb = new StringBuffer(str);
        sb = sb.delete(12);
        System.out.println(sb.toString());
    }
}


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