Example usage for java.lang StringBuilder StringBuilder

Introduction

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

Prototype

@HotSpotIntrinsicCandidate
public StringBuilder()

Source Link

Document

Constructs a string builder with no characters in it and an initial capacity of 16 characters.

Usage

From source file:Main.java

public static String getHexString2(final byte[] b) {
    StringBuilder result = new StringBuilder();
    for (byte element : b) {
        int asInt = unsignedByteToInt(element);
        result.append(Integer.toHexString(asInt));
    }//ww w.j a va  2  s .co m
    return result.toString();
}

From source file:Main.java

public static String getPhoneInfo() {
    StringBuilder phoneInfoSB = new StringBuilder();
    phoneInfoSB.append("Product: ").append(android.os.Build.PRODUCT);
    phoneInfoSB.append(", CPU_ABI: ").append(android.os.Build.CPU_ABI);
    phoneInfoSB.append(", TAGS: ").append(android.os.Build.TAGS);
    phoneInfoSB.append(", VERSION_CODES.BASE: ").append(android.os.Build.VERSION_CODES.BASE);
    phoneInfoSB.append(", MODEL: ").append(android.os.Build.MODEL);
    phoneInfoSB.append(", SDK: ").append(android.os.Build.VERSION.SDK_INT);
    phoneInfoSB.append(", VERSION.RELEASE: ").append(android.os.Build.VERSION.RELEASE);
    phoneInfoSB.append(", DEVICE: ").append(android.os.Build.DEVICE);
    phoneInfoSB.append(", DISPLAY: ").append(android.os.Build.DISPLAY);
    phoneInfoSB.append(", BRAND: ").append(android.os.Build.BRAND);
    phoneInfoSB.append(", BOARD: ").append(android.os.Build.BOARD);
    phoneInfoSB.append(", FINGERPRINT: ").append(android.os.Build.FINGERPRINT);
    phoneInfoSB.append(", ID: ").append(android.os.Build.ID);
    phoneInfoSB.append(", MANUFACTURER: ").append(android.os.Build.MANUFACTURER);
    phoneInfoSB.append(", USER: ").append(android.os.Build.USER);
    return phoneInfoSB.toString();
}

From source file:Main.java

private static String buildMd5String(byte[] md5Bytes) {
    StringBuilder md5String = new StringBuilder();
    for (byte b : md5Bytes) {
        int num = b >= 0 ? b : b + 256;
        if (num < 16) {
            md5String.append("0");
        }//from   www . ja  va2 s. c o  m
        md5String.append(Integer.toHexString(num));
    }
    return md5String.toString();
}

From source file:Main.java

public static String addQuote(String value) {
    StringBuilder str = new StringBuilder();

    if (null == value) {
        return null;
    }//from w w  w  .  j a  va  2s .c o  m

    str.append("\'").append(value).append("\'");

    return str.toString();
}

From source file:Main.java

public static String bytesToBitSetString(byte[] bytes) {
    StringBuilder sb = new StringBuilder();
    for (int i = 0; i < bytes.length; i++) {
        int b = bytes[i];
        for (int j = 0; j < 8; j++) {
            if ((b & (1 << j)) == (1 << j)) {
                sb.append('1');
            } else {
                sb.append('0');
            }/*from  ww w .j ava  2s.  c  o  m*/
        }
    }
    return sb.toString();
}

From source file:Main.java

public static String bytesToHexWithSpaces(byte[] bytes) {
    StringBuilder newString = new StringBuilder();
    for (int i = 0; i < bytes.length; i++) {
        String byteHex = String.format("0x%02X", (byte) bytes[i]);
        newString.append(byteHex).append(" ");

    }/*from  www. j a v  a  2s  . c o  m*/
    return newString.toString().trim();

}

From source file:Main.java

public static String bytesToHexWithSpaces(byte[] bytes) {
    StringBuilder newString = new StringBuilder();
    for (int i = 0; i < bytes.length; i++) {
        String byteHex = String.format("%02X", (byte) bytes[i]);
        newString.append(byteHex).append(" ");

    }//w  w w . j ava2s  .  com
    return newString.toString().trim();

}

From source file:Main.java

public static String join(String[] strs, String split) {
    StringBuilder sb = new StringBuilder();
    if (strs == null || split == null || strs.length <= 0) {
        return null;
    }// ww  w.j av  a 2 s  .  c  om

    for (int i = 0, count = strs.length; i < count; i++) {
        sb.append(strs[i]);
        if (i != (count - 1)) {
            sb.append(split);
        }
    }
    return sb.toString();
}

From source file:Main.java

public static String fixApplicationId(final String appId) {
    StringBuilder builder = new StringBuilder();
    for (int i = 0; i < appId.length(); i++) {
        final char ch = appId.charAt(i);
        if (ch >= 'a' && ch <= 'z' || ch >= 'A' && ch <= 'Z' || ch >= '0' && ch <= '9' || ch == '-'
                || ch == '.') {
            builder.append(ch);//from  w ww  .  j a va 2 s  .  c o  m
        }
    }
    return builder.toString();
}

From source file:Main.java

public static String computePhraseShape(String x) {
    StringBuilder buf = new StringBuilder();
    char lastc = 0;
    for (int i = 0; i < x.length(); i++) {
        char c = x.charAt(i);
        if (Character.isDigit(c))
            c = '0';
        else if (Character.isLetter(c))
            c = Character.isLowerCase(c) ? 'a' : 'A';
        else if (Character.isWhitespace(c) || Character.isSpaceChar(c))
            c = ' ';
        if (c != lastc)
            buf.append(c);//from www .j av  a  2  s .  co  m
        lastc = c;
    }
    return buf.toString();
}