- Java.lang Package classes
- Java.lang - Home
- Java.lang - Boolean
- Java.lang - Byte
- Java.lang - Character
- Java.lang - Character.Subset
- Java.lang - Character.UnicodeBlock
- Java.lang - Class
- Java.lang - ClassLoader
- Java.lang - Compiler
- Java.lang - Double
- Java.lang - Enum
- Java.lang - Float
- Java.lang - InheritableThreadLocal
- Java.lang - Integer
- Java.lang - Long
- Java.lang - Math
- Java.lang - Number
- Java.lang - Object
- Java.lang - Package
- Java.lang - Process
- Java.lang - ProcessBuilder
- Java.lang - Runtime
- Java.lang - RuntimePermission
- Java.lang - SecurityManager
- Java.lang - Short
- Java.lang - StackTraceElement
- Java.lang - StrictMath
- Java.lang - String
- Java.lang - StringBuffer
- Java.lang - StringBuilder
- Java.lang - System
- Java.lang - Thread
- Java.lang - ThreadGroup
- Java.lang - ThreadLocal
- Java.lang - Throwable
- Java.lang - Void
- Java.lang Package extras
- Java.lang - Interfaces
- Java.lang - Errors
- Java.lang - Exceptions
- Java.lang Package Useful Resources
- Java.lang - Useful Resources
- Java.lang - Discussion
Java.lang.StringBuilder.substring() Method
Description
The java.lang.StringBuilder.substring(int start, int end) method returns a new String that contains a subsequence of characters currently contained in this sequence. The substring begins at the specified start and extends to the character at index end - 1.
Declaration
Following is the declaration for java.lang.StringBuilder.substring() method
public String substring(int start, int end)
Parameters
start − This is the beginning index, inclusive.
end − This is the ending index, exclusive.
Return Value
This method returns the new string.
Exception
StringIndexOutOfBoundsException − if start or end are negative or greater than length(), or start is greater than end.
Example
The following example shows the usage of java.lang.StringBuilder.substring() method.
package com.tutorialspoint; import java.lang.*; public class StringBuilderDemo { public static void main(String[] args) { StringBuilder str = new StringBuilder("admin"); System.out.println("string = " + str); // prints substring from index 3 System.out.println("substring is = " + str.substring(3)); /* prints substring from index 1 to 4 excluding character at 4th index */ System.out.println("substring is = " + str.substring(1, 4)); } }
Let us compile and run the above program, this will produce the following result −
string = admin substring is = in substring is = dmi
java_lang_stringbuilder.htm
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