Java String Left left(String str, int count)

Description

Returns the first n characters from this string, where n = count.

License

Apache License

Parameter

Parameter	Description
str	The string to parse.
count	The amount of characters to return.

Return

The first n characters from this string, where n = count.

Declaration

public static String left(String str, int count) 

Method Source Code

//package com.java2s;
/*/*from w  w w .  jav a2 s  . com*/
 * Copyright 2010-2017 Boxfuse GmbH
 *
 * Licensed 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 {
    /**
     * Returns the first n characters from this string, where n = count. If the string is shorter, the entire string
     * will be returned. If the string is longer, it will be truncated.
     *
     * @param str   The string to parse.
     * @param count The amount of characters to return.
     * @return The first n characters from this string, where n = count.
     */
    public static String left(String str, int count) {
        if (str == null) {
            return null;
        }

        if (str.length() < count) {
            return str;
        }

        return str.substring(0, count);
    }
}

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