Core Java Tutorial

Introduction of Core Java

How To Install JDk and Set of Path

Syntax of java Program

Difference between Java and C/C++

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What is Java

Why Java is not Pure Object Oriented Language

Java has Following Features/Characteristics

Limitation of Java Language and Java Internet

Common Misconception about Java

Simple Program of Java

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Compile and Run Java Program

Applet and Comments in Java

Tokens in Java

Keywords in Java

Identifier and Variables in Java

Literals/Constants

Data Type in Java

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Operators in Java

Rule of Precedence in Java

Operator on Integer and Separators in Java Programming

Java Control Flow of Statements

If and If-else Selection Statement

Nested If-else and If-else-If Selection Statement

switch case and conditional operator Selection Statement

for and while Loop

do..while and for each Loop

break and labeled break statement

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return Statement and exit() Method

Escape Sequence for Special Characters and Unicode Code

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Statement in Java

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Import Statement in Java

User Input in Java using Scanner Class

User Input in Java using Console Class

Array in Java

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Two Dimensional Array Program

Command Line Argument in Java

String args Types in Java

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Math Class Function and Constant

Math Class all Function used in a program

Enumerated Types in Java

Object Oriented Programming v/s Procedural Programming

Object Oriented Programming Concepts in Java

Introduction to Class,Object and Method in Java

Class Declaration in Java

Class & Objects in java

Encapsulation in Java

Modifiers/Visibility for a Class or Interrface or member of a Class

Polymorphism in Java

Runtime polymorphism (dynamic binding or method overriding)

how to remove the delimiters from a string using StringTokenizer class in collections in java

how to remove the delimiters from a string using StringTokenizer class in collections in java

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package r4r.co.in;

import java.util.*;


public class CollectionsExample {

/**
* @param args
*/
public static void main(String[] args) throws NullPointerException, NoSuchElementException
{
// TODO Auto-generated method stub



try
{
String string = "12 + 12 = 24"+" 35 / 7 = 5"; // defined a string
System.out.println("The original string is: "+string);
StringTokenizer st = new StringTokenizer(string, "+ = /"); // passed the string to the StringTokenizer constructor with + = / as delimiters
System.out.println("The tokens in the string are: ");
while(st.hasMoreTokens()) // loop till the st has more tokens to offer

System.out.println(st.nextToken()); // displaying the tokens



}

catch(NullPointerException e)
{
e.printStackTrace();
}

catch(NoSuchElementException e)
{
e.printStackTrace();
}


}
}






The output of the above example is:

The original string is: 12 + 12 = 24 35 / 7 = 5
The tokens in the string are:
12
12
24
35
7
5

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