CodesJava

Easy learning with example program codes

insert(int offset, String str) StringBuffer method in java


insert(int offset, String str): insert specified string at the offset indicated position.

Syntax: public synchronized StringBuffer insert(int offset, String str).

Note: if specified string is null than it insert “null” string at the offset indicated position.
If insert has object, int, double etc instead of string than argument value first converted into string using String.valueOf()before inserting.
Offset should be between 0 to length of string, if it is not StringIndexOutOfBoundsException will be thrown.

Example:

StringBufferInsertExample.java

/**
 * This program is used to show the use of insert() method.
 * @author codesjava
 */
class TestStringBuffer{
	StringBuffer sb = new StringBuffer("www.com");
 
	/**
	 * This method is used to show the use of insert() method.
	 * @author codesjava
	 */
	public void insertTest(){
		//insert specified string at 
                //the offset indicated position.
		System.out.println(sb.insert(3,".codesjava"));
	}
}
 
public class StringBufferInsertExample {
	public static void main(String args[]){
		//creating TestStringBuffer object
		TestStringBuffer obj = new TestStringBuffer();
 
		//method call
		obj.insertTest();
	}
}

Output:

www.codesjava.com

Download this example.
 
Next Topic: replace(int startIndex, int endIndex, String str) StringBuffer method in java.
Previous Topic: append(String str) StringBuffer method in java.

Related Topics:

StringBuffer in java.
append(String str) StringBuffer method in java.
insert(int offset, String str) StringBuffer method in java.
replace(int startIndex, int endIndex, String str) StringBuffer method in java.
delete(int startIndex, int endIndex) StringBuffer method in java.
reverse() StringBuffer method in java.
capacity() StringBuffer method in java.
ensureCapacity(int minCapacity) StringBuffer method in java.
StringTokenizer in java.

 

Posted in Java   

Core Java Tutorial

Programming language overview.
Overview of Java.
Java features
JVM architecture details.
JVM, JRE and JDK.
Java Coding Guidelines.
Some important definitions.
Variable and data types.
Hello world java program.
Core java examples programs.
Important Java Programs.
How to set permanent path in java?
OOPs Basics.
Object and Class in Java.
OOPs Principles/Concepts.
Abstraction in java.
Encapsulation in java.
Polymorphism in java.
Method overloading in java.
Method overriding in java.
Dynamic method dispatch.
Runtime polymorphism.
Association in java.
Inheritance in java.
Aggregation in java.
Command line arguments in java.
Command line argument program in eclipse.
Read input from command line using Scanner.
Java array programs
Java star pattern programs
Java number pattern programs
final in java.
Abstract class in java.
Interface in java.
Custom marker Interface in java.
Constructor in java.
Package in java.
Access modifier in java.
Static import in java.
Package class in java.
this in java.
Instance initialize block.
Anonymous block.
super in java.
Static in java.
final in java.
Java cloning deep and shallow
Shallow vs Clone copy
String handling in java.
String handling programs.
StringBuffer in java.
StringBuilder in java.
Exception Handling Tutorial.
Multithreading Tutoial.
Java input output stream tutorial.
Collections framework in java tutorial.
Collections framework programs.
Java Random class
Java annotations.
Java design principles.
Java 7 features
Java 8 features
Java networking tutorial
Java Reflection tutorial
Sign Up/ Sign In
Ask a Question


Copyright © 2018 CodesJava DMCA.com Protection Status SiteMap Reference: Java Wiki