Example usage for java.lang StringBuffer insert

Introduction

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

Prototype

@Override
public StringBuffer insert(int offset, double d) 

Source Link

Usage

From source file:Main.java

public static void main(String args[]) {
    StringBuffer buffer = new StringBuffer();

    Object objectRef = "java2s.com";
    buffer.insert(0, objectRef);
    System.out.println(buffer.toString());

}

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From source file:MainClass.java

public static void main(String[] args) {
    StringBuffer sb1 = new StringBuffer("xy");
    System.out.println(sb1);//from   w  w  w.ja  va  2s .  c  o  m

    sb1.insert(0, false);
    System.out.println(sb1);

    StringBuffer sb2 = new StringBuffer("xy");
    System.out.println(sb2);

    sb2.insert(1, true);
    System.out.println(sb2);
}

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From source file:Main.java

public static void main(String args[]) {
    Object objectRef = "hello";
    String string = "goodbye";
    char charArray[] = { 'a', 'b', 'c', 'd', 'e', 'f' };
    boolean booleanValue = true;
    char characterValue = 'K';
    int integerValue = 7;
    long longValue = 10000000;
    float floatValue = 2.5f;
    double doubleValue = 33.3;

    StringBuffer buffer = new StringBuffer();

    buffer.insert(0, objectRef);
    buffer.insert(0, "  ");
    buffer.insert(0, string);//  w  w w.j  a  v a2  s .co m
    buffer.insert(0, "  ");
    buffer.insert(0, charArray);
    buffer.insert(0, "  ");
    buffer.insert(0, charArray, 3, 3);
    buffer.insert(0, "  ");
    buffer.insert(0, booleanValue);
    buffer.insert(0, "  ");
    buffer.insert(0, characterValue);
    buffer.insert(0, "  ");
    buffer.insert(0, integerValue);
    buffer.insert(0, "  ");
    buffer.insert(0, longValue);
    buffer.insert(0, "  ");
    buffer.insert(0, floatValue);
    buffer.insert(0, "  ");
    buffer.insert(0, doubleValue);

    System.out.printf("buffer after inserts:\n%s\n\n", buffer.toString());

}

---

From source file:Main.java

public static void main(String[] arg) {

    StringBuffer buffer = new StringBuffer("from java2s.com");
    CharSequence cs = "java2s.com";
    buffer.insert(2, cs);
    System.out.println(buffer);//  w  w  w .  ja  v  a  2 s.c o m
}

---

From source file:Main.java

public static void main(String args[]) {
    StringBuffer buffer = new StringBuffer();

    char charArray[] = { 'a', 'b', 'c', 'd', 'e', 'f' };
    buffer.insert(0, charArray);

    System.out.println(buffer.toString());

}

---

From source file:MainClass.java

public static void main(String args[]) {
    Object objectRef = "hello";
    String string = "goodbye";
    char charArray[] = { 'a', 'b', 'c', 'd', 'e', 'f' };
    boolean booleanValue = true;
    char characterValue = 'K';
    int integerValue = 7;
    long longValue = 10000000;
    float floatValue = 2.5f;
    double doubleValue = 33.3;

    StringBuffer buffer = new StringBuffer();

    buffer.insert(0, objectRef);
    buffer.insert(0, "  ");
    buffer.insert(0, string);/*from w ww. ja va 2 s . com*/
    buffer.insert(0, "  ");
    buffer.insert(0, charArray);
    buffer.insert(0, "  ");
    buffer.insert(0, charArray, 3, 3);
    buffer.insert(0, "  ");
    buffer.insert(0, booleanValue);
    buffer.insert(0, "  ");
    buffer.insert(0, characterValue);
    buffer.insert(0, "  ");
    buffer.insert(0, integerValue);
    buffer.insert(0, "  ");
    buffer.insert(0, longValue);
    buffer.insert(0, "  ");
    buffer.insert(0, floatValue);
    buffer.insert(0, "  ");
    buffer.insert(0, doubleValue);

    System.out.printf("buffer after inserts:\n%s\n\n", buffer.toString());

    buffer.deleteCharAt(10);
    buffer.delete(2, 6);

    System.out.printf("buffer after deletes:\n%s\n", buffer.toString());
}

---

From source file:InsertDemo.java

public static void main(String[] args) {
    StringBuffer palindrome = new StringBuffer("A man, a plan, a canal; Panama.");
    palindrome.insert(15, "a cat, ");
    System.out.println(palindrome);
}

---

From source file:Main.java

public static void main(String[] args) {
    boolean b = true;
    StringBuffer sb1 = new StringBuffer("1234567890");
    sb1.insert(6, b);
    System.out.println(sb1);/*from ww w.  j av  a  2s  . c om*/

    char c = 'Y';
    sb1.insert(6, c);
    System.out.println(sb1);

    char[] c1 = new char[] { 'Y', 'e', 's' };
    sb1.insert(6, c1);
    System.out.println(sb1);

    double d = 1.0;
    sb1.insert(6, d);
    System.out.println(sb1);

    float f = 2.0f;
    sb1.insert(6, f);
    System.out.println(sb1);

    int i = 5;
    sb1.insert(6, i);
    System.out.println(sb1);

    long l = 10;
    sb1.insert(6, l);
    System.out.println(sb1);

    Object obj = new String("b");
    sb1.insert(6, obj);
    System.out.println(sb1);

    String str = "a";
    sb1.insert(6, str);
    System.out.println(sb1);
}

---

From source file:TextVerifyInputFormatDate.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new GridLayout());
    final Text text = new Text(shell, SWT.BORDER);
    text.setText("YYYY/MM/DD");
    ;/*from   w w w. j  a v a  2  s .  c  o m*/
    final Calendar calendar = Calendar.getInstance();
    text.addListener(SWT.Verify, new Listener() {
        boolean ignore;

        public void handleEvent(Event e) {
            if (ignore)
                return;
            e.doit = false;
            StringBuffer buffer = new StringBuffer(e.text);
            char[] chars = new char[buffer.length()];
            buffer.getChars(0, chars.length, chars, 0);
            if (e.character == '\b') {
                for (int i = e.start; i < e.end; i++) {
                    switch (i) {
                    case 0: /* [Y]YYY */
                    case 1: /* Y[Y]YY */
                    case 2: /* YY[Y]Y */
                    case 3: /* YYY[Y] */ {
                        buffer.append('Y');
                        break;
                    }
                    case 5: /* [M]M */
                    case 6: /* M[M] */ {
                        buffer.append('M');
                        break;
                    }
                    case 8: /* [D]D */
                    case 9: /* D[D] */ {
                        buffer.append('D');
                        break;
                    }
                    case 4: /* YYYY[/]MM */
                    case 7: /* MM[/]DD */ {
                        buffer.append('/');
                        break;
                    }
                    default:
                        return;
                    }
                }
                text.setSelection(e.start, e.start + buffer.length());
                ignore = true;
                text.insert(buffer.toString());
                ignore = false;
                text.setSelection(e.start, e.start);
                return;
            }

            int start = e.start;
            if (start > 9)
                return;
            int index = 0;
            for (int i = 0; i < chars.length; i++) {
                if (start + index == 4 || start + index == 7) {
                    if (chars[i] == '/') {
                        index++;
                        continue;
                    }
                    buffer.insert(index++, '/');
                }
                if (chars[i] < '0' || '9' < chars[i])
                    return;
                if (start + index == 5 && '1' < chars[i])
                    return; /* [M]M */
                if (start + index == 8 && '3' < chars[i])
                    return; /* [D]D */
                index++;
            }
            String newText = buffer.toString();
            int length = newText.length();
            StringBuffer date = new StringBuffer(text.getText());
            date.replace(e.start, e.start + length, newText);
            calendar.set(Calendar.YEAR, 1901);
            calendar.set(Calendar.MONTH, Calendar.JANUARY);
            calendar.set(Calendar.DATE, 1);
            String yyyy = date.substring(0, 4);
            if (yyyy.indexOf('Y') == -1) {
                int year = Integer.parseInt(yyyy);
                calendar.set(Calendar.YEAR, year);
            }
            String mm = date.substring(5, 7);
            if (mm.indexOf('M') == -1) {
                int month = Integer.parseInt(mm) - 1;
                int maxMonth = calendar.getActualMaximum(Calendar.MONTH);
                if (0 > month || month > maxMonth)
                    return;
                calendar.set(Calendar.MONTH, month);
            }
            String dd = date.substring(8, 10);
            if (dd.indexOf('D') == -1) {
                int day = Integer.parseInt(dd);
                int maxDay = calendar.getActualMaximum(Calendar.DATE);
                if (1 > day || day > maxDay)
                    return;
                calendar.set(Calendar.DATE, day);
            } else {
                if (calendar.get(Calendar.MONTH) == Calendar.FEBRUARY) {
                    char firstChar = date.charAt(8);
                    if (firstChar != 'D' && '2' < firstChar)
                        return;
                }
            }
            text.setSelection(e.start, e.start + length);
            ignore = true;
            text.insert(newText);
            ignore = false;
        }
    });
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

---

From source file:Main.java

public static String formathhmmss(String hhmmss) {
    if (null != hhmmss && hhmmss.length() == 6) {
        StringBuffer sb = new StringBuffer(hhmmss);
        sb.insert(2, ":");
        sb.insert(5, ":");
        return sb.toString();
    }/*from   w w  w.j a v a  2  s.co m*/

    return "";
}

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