Java String Camel Case Format toCamelCase(String name)

Description

Converts an underscore-separated name into a camelCase name.

License

Apache License

Declaration

public static String toCamelCase(String name) 

Method Source Code

//package com.java2s;
/*//from  ww  w .  j  av a 2  s . com
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to you under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

public class Main {
    /**
     * Converts an underscore-separated name into a camelCase name.
     * For example, {@code uncamel("MY_JDBC_DRIVER")} returns "myJdbcDriver".
     */
    public static String toCamelCase(String name) {
        StringBuilder buf = new StringBuilder();
        int nextUpper = -1;
        for (int i = 0; i < name.length(); i++) {
            char c = name.charAt(i);
            if (c == '_') {
                nextUpper = i + 1;
                continue;
            }
            if (nextUpper == i) {
                c = Character.toUpperCase(c);
            } else {
                c = Character.toLowerCase(c);
            }
            buf.append(c);
        }
        return buf.toString();
    }
}

Related

1. toCamelCase(String inputString)
2. toCamelCase(String inputString)
3. toCamelCase(String name)
4. toCamelCase(String name)
5. toCamelCase(String name)
6. toCamelCase(String name)
7. toCamelCase(String name)
8. toCamelCase(String name)
9. toCamelCase(String name)