- 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.StringBuffer.append() Method
Description
The java.lang.StringBuffer.append(String str) method appends the specified string to this character sequence.The characters of the String argument are appended, in order, increasing the length of this sequence by the length of the argument. If str is null, then the four characters "null" are appended.
Declaration
Following is the declaration for java.lang.StringBuffer.append() method
public StringBuffer append(String str)
Parameters
str − This is the value of a string.
Return Value
This method returns a reference to this object.
Exception
NA
Example
The following example shows the usage of java.lang.StringBuffer.append() method.
package com.tutorialspoint; import java.lang.*; public class StringBufferDemo { public static void main(String[] args) { StringBuffer buff = new StringBuffer("tutorials "); System.out.println("buffer = " + buff); // appends the string argument to the string buffer buff.append("point"); // print the string buffer after appending System.out.println("After append = " + buff); buff = new StringBuffer("1234 "); System.out.println("buffer = " + buff); // appends the string argument to the string buffer buff.append("!#$%"); // print the string buffer after appending System.out.println("After append = " + buff); } }
Let us compile and run the above program, this will produce the following result −
buffer = tutorials After append = tutorials point buffer = 1234 After append = 1234 !#$%
java_lang_stringbuffer.htm
Advertisements