- 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.append() Method
Description
The java.lang.StringBuilder.append(char c) method appends the string representation of the char argument to this sequence.The argument is appended to the contents of this sequence. The length of this sequence increases by 1.
Declaration
Following is the declaration for java.lang.StringBuilder.append() method
public StringBuilder append(char c)
Parameters
c − This is the char value.
Return Value
This method returns a reference to this object.
Exception
NA
Example
The following example shows the usage of java.lang.StringBuilder.append() method.
package com.tutorialspoint; import java.lang.*; public class StringBuilderDemo { public static void main(String[] args) { StringBuilder str = new StringBuilder("tuts "); System.out.println("string = " + str); // appends the char argument as string to the StringBuilder. str.append('A'); // print the StringBuilder after appending System.out.println("After append = " + str); str = new StringBuilder("abcd "); System.out.println("string = " + str); // appends the char argument as string to the StringBuilder. str.append('!'); // print the StringBuilder after appending System.out.println("After append = " + str); } }
Let us compile and run the above program, this will produce the following result −
string = tuts After append = tuts A string = abcd After append = abcd !
java_lang_stringbuilder.htm
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