Example usage for java.lang String charAt

Introduction

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

Prototype

public char charAt(int index)

Source Link

Document

Returns the char value at the specified index.

Usage

From source file:org.jdal.annotation.AnnotatedElementAccessor.java

private static String getPropertyName(String name) {
    return name.charAt(0) + name.substring(1);
}

From source file:Main.java

public static String abbreviate(String text) {
    String[] words = text.split("\\s");

    StringBuilder builder = new StringBuilder();
    int i = 0;/* w w  w .  java 2s .  com*/
    while (i < words.length && builder.length() < 2) {
        String word = words[i].trim();
        if (word.length() > 0)
            builder.append(Character.toUpperCase(word.charAt(0)));
        i++;
    }

    return builder.toString();
}

From source file:Main.java

/**
 * Classify chars in String and put them in lexmap.
 * @param str String/*from w ww.  j  av a2 s.  co m*/
 * @param code code associated to chars in the String
 */
private static void mapStr(String str, short code) {
    int c;
    for (int i = 0; i < str.length(); i++) {
        c = str.charAt(i);
        lexmap[c] |= code;
    }
}

From source file:Main.java

public static synchronized String trim(String str) {
    String temp = str.trim();
    int index = 0;
    for (int i = 0; i < temp.length(); i++) {
        char ch = temp.charAt(i);
        if (ch == '.' || ch == '/' || ch == '\\') {
            index++;/*w  ww .j a v a 2 s  . c om*/
        } else
            break;
    }

    return temp.substring(index, temp.length());
}

From source file:Main.java

public static String getFirstChar(String value) {
    if (value != null) {
        for (int i = 0; i < value.length(); i++) {
            char ch = value.charAt(i);
            if (Character.isLetter(ch)) {
                return String.valueOf(ch).toUpperCase();
            }/*from   w  ww.ja v a2s . c  o  m*/
        }
    }
    return String.valueOf(" ");
}

From source file:Main.java

public static String getMainlineStyleVersionNumber(String peer_id) {
    boolean two_digit_in_middle = peer_id.charAt(5) == '-';
    String middle_part = decodeNumericChar(peer_id.charAt(3));
    if (two_digit_in_middle) {
        middle_part = join(middle_part, decodeNumericChar(peer_id.charAt(4)));
    }//from w  w  w . ja  va  2  s  .  com
    return joinAsDotted(decodeNumericChar(peer_id.charAt(1)), middle_part,
            decodeNumericChar(peer_id.charAt(two_digit_in_middle ? 6 : 5)));
}

From source file:Main.java

public static int convertDOubleToInt(Double value) {
    String valueString = Double.toString(value);

    for (int i = 0; i < valueString.length(); i++) {
        if (valueString.charAt(i) == '.') {
            valueString = valueString.substring(0, i);
            break;
        }//from  w  ww  . j av  a  2 s .  c  om
    }

    int valueInteger = Integer.parseInt(valueString);

    return valueInteger;
}

From source file:com.enremmeta.onenow.Utils.java

public static String capitalize(String s) {
    return Character.toUpperCase(s.charAt(0)) + s.substring(1);
}

From source file:Main.java

public static int delimiterOffset(String input, int pos, int limit, char delimiter) {
    for (int i = pos; i < limit; i++) {
        if (input.charAt(i) == delimiter)
            return i;
    }/* w  w w.ja va2  s.  co  m*/
    return limit;
}

From source file:Main.java

public static boolean isNumber(String str) {
    boolean check = true;
    for (int i = 0; i < str.length(); i++) {
        if (!Character.isDigit(str.charAt(i))) {
            check = false;/*from ww  w.j  ava 2 s .  co  m*/
            break;
        }
    }
    return check;
}