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3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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7  * published by the Free Software Foundation.  Oracle designates this
8  * particular file as subject to the "Classpath" exception as provided
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11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
16  *
17  * You should have received a copy of the GNU General Public License version
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24  */
25 
26 package java.lang;
27 
28 /**
29  * Thrown to indicate that the application has attempted to convert
30  * a string to one of the numeric types, but that the string does not
31  * have the appropriate format.
32  *
33  * @see     java.lang.Integer#parseInt(String)
34  * @since   1.0
35  */
36 public class NumberFormatException extends IllegalArgumentException {
37     @java.io.Serial
38     static final long serialVersionUID = -2848938806368998894L;
39 
40     /**
41      * Constructs a {@code NumberFormatException} with no detail message.
42      */
NumberFormatException()43     public NumberFormatException () {
44         super();
45     }
46 
47     /**
48      * Constructs a {@code NumberFormatException} with the
49      * specified detail message.
50      *
51      * @param   s   the detail message.
52      */
NumberFormatException(String s)53     public NumberFormatException (String s) {
54         super (s);
55     }
56 
57     /**
58      * Factory method for making a {@code NumberFormatException}
59      * given the specified input which caused the error.
60      *
61      * @param   s   the input causing the error
62      */
forInputString(String s, int radix)63     static NumberFormatException forInputString(String s, int radix) {
64         return new NumberFormatException("For input string: \"" + s + "\"" +
65                                          (radix == 10 ?
66                                           "" :
67                                           " under radix " + radix));
68     }
69 
70     /**
71      * Factory method for making a {@code NumberFormatException}
72      * given the specified input which caused the error.
73      *
74      * @param   s   the input causing the error
75      * @param   beginIndex   the beginning index, inclusive.
76      * @param   endIndex     the ending index, exclusive.
77      * @param   errorIndex   the index of the first error in s
78      */
forCharSequence(CharSequence s, int beginIndex, int endIndex, int errorIndex)79     static NumberFormatException forCharSequence(CharSequence s,
80             int beginIndex, int endIndex, int errorIndex) {
81         return new NumberFormatException("Error at index "
82                 + (errorIndex - beginIndex) + " in: \""
83                 + s.subSequence(beginIndex, endIndex) + "\"");
84     }
85 }
86