Main.java Source code

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Here is the source code for Main.java

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//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2010 Actuate Corporation.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *  Actuate Corporation  - initial API and implementation
 *******************************************************************************/

public class Main {
    /**
     * Convert a column number to letters.
     * @param colNo
     * @return
     */
    public static String getColumnName(int colNo) {
        StringBuffer sb = new StringBuffer();
        do {
            int last = colNo % 26;
            colNo = colNo / 26 - 1;
            sb.append((char) ((int) 'A' + last));
        } while (colNo >= 0);

        return sb.reverse().toString();
    }
}