remove Chars From StringBuilder End - Java java.lang

Description

remove Chars From StringBuilder End

Demo Code

//package com.java2s;

public class Main {
    public static void main(String[] argv) throws Exception {
        StringBuilder builder = new StringBuilder();
        int charCountToRemove = 2;
        removeCharsFromEnd(builder, charCountToRemove);
    }/*from w w w  .  j a  v a 2 s . c om*/

    public static void removeCharsFromEnd(StringBuilder builder,
            int charCountToRemove) {
        int endIndex = builder.length();
        int beginIndex = endIndex - charCountToRemove;
        beginIndex = beginIndex < 0 ? 0 : beginIndex;
        builder.delete(beginIndex, endIndex);
    }
}

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