Example usage for java.lang StringBuilder length

Introduction

In this page you can find the example usage for java.lang StringBuilder length.

Prototype

int length();

Source Link

Document

Returns the length of this character sequence.

Usage

From source file:Main.java

public static String int2String(int i, int digits, boolean leadingZero) {
    StringBuilder s = new StringBuilder(digits);
    s.append(Integer.toString(i));
    while (s.length() < digits) {
        s.insert(0, (leadingZero ? "0" : " "));
    }//from ww  w. j  av  a  2  s .  c om
    return s.toString();
}

From source file:Main.java

/**
 * Trim all occurrences of the supplied trailing character from the given String.
 * @param str the String to check//  w w  w .  j a va 2  s. c o m
 * @param trailingCharacter the trailing character to be trimmed
 * @return the trimmed String
 */
public static String trimTrailingCharacter(String str, char trailingCharacter) {
    if (!hasLength(str)) {
        return str;
    }
    StringBuilder sb = new StringBuilder(str);
    while (sb.length() > 0 && sb.charAt(sb.length() - 1) == trailingCharacter) {
        sb.deleteCharAt(sb.length() - 1);
    }
    return sb.toString();
}

From source file:Main.java

public static String toString(Iterable<?> iterable) {
    if (iterable == null)
        throw new IllegalArgumentException();

    StringBuilder sb = new StringBuilder();

    for (Object value : iterable) {
        if (sb.length() > 0) {
            sb.append(", ");
        }/*w  w w.ja  v  a 2 s  .c  o  m*/

        sb.append(value);
    }

    return sb.toString();
}

From source file:Main.java

public static String long2String(long l, int minDigits) {
    StringBuilder s = new StringBuilder(minDigits);
    s.append(Long.toString(l));/*  w  w  w.  j  av  a  2s  . co m*/
    while (s.length() < minDigits) {
        s.insert(0, "0");
    }
    return s.toString();
}

From source file:Main.java

public static String getNiceList(Collection<?> collection, String separator) {
    StringBuilder result = new StringBuilder();
    for (Object value : collection) {
        if (result.length() > 0) {
            result.append(separator);// w  w  w .j a v a  2  s .c  o m
        }
        result.append(value.toString());
    }
    return result.toString();
}

From source file:Main.java

public static List<String> generateWidth() {
    List<String> ids = new ArrayList<String>();
    Random mRandom = new Random();
    StringBuilder sb = new StringBuilder();
    for (int i = 0; i < 50; i++) {
        sb.delete(0, sb.length());
        int height = mRandom.nextInt(250) + 100;
        sb.append(height);//from   ww  w . jav  a2  s  . c  o m
        ids.add(sb.toString());
    }
    return ids;
}

From source file:Main.java

public static final String join(final Collection<?> list, final String inbetween) {
    final StringBuilder builder = new StringBuilder();
    for (final Object object : list) {
        if (builder.length() > 0) {
            builder.append(inbetween);//from  w  w w .j a va 2s.  c om
        }
        builder.append(object.toString());
    }
    return builder.toString();
}

From source file:Main.java

/**
 * Trim leading and trailing whitespace from the given String.
 * @param str the String to check/*from www .j  a v  a  2 s .  co  m*/
 * @return the trimmed String
 * @see java.lang.Character#isWhitespace
 */
public static String trimWhitespace(String str) {
    if (!hasLength(str)) {
        return str;
    }
    StringBuilder sb = new StringBuilder(str);
    while (sb.length() > 0 && Character.isWhitespace(sb.charAt(0))) {
        sb.deleteCharAt(0);
    }
    while (sb.length() > 0 && Character.isWhitespace(sb.charAt(sb.length() - 1))) {
        sb.deleteCharAt(sb.length() - 1);
    }
    return sb.toString();
}

From source file:Main.java

public static String stringFromArray(String[] array, char delim) {
    StringBuilder builder = new StringBuilder();
    for (String string : array) {
        if (builder.length() > 0) {
            builder.append(delim);/*  w  ww.j a  va2s. c om*/
        }
        builder.append(string);
    }
    return builder.toString();
}

From source file:Main.java

public static SpannableStringBuilder getFrontTextStyle(String frontText, String afterText, int frontColor,
        int frontTextSize) {
    StringBuilder sb = new StringBuilder();
    sb.append("/").append(afterText);
    int len = sb.length();
    sb.insert(0, frontText);//  www  .  ja v a2s . c o  m
    SpannableStringBuilder style = new SpannableStringBuilder(sb);
    style.setSpan(new ForegroundColorSpan(frontColor), 0, sb.length() - len,
            Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
    style.setSpan(new AbsoluteSizeSpan(frontTextSize), 0, sb.length() - len,
            Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
    return style;
}